US Bridges

County RD 138 over Moniteau CR

PoorClosed to traffic

Howard County, Missouri · S 10 T 51 N R 14 W · Structure no. 13984

Built
1900
125 years old
Condition
Poor
inspected March 2022
Type
Truss - Thru
Steel
Length
90 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 138 over Moniteau CR is a steel truss - thru carrying County RD 138 over Moniteau CR in Howard County, Missouri. It was built in 1900, so it is 125 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 90 ft (27.4 m) long and 12 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty RD 138
CrossesMoniteau CR
LocationS 10 T 51 N R 14 W
RouteCounty Highway 53
CountyHoward County
StateMissouri
Coordinates39.22941, -92.47962
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadOther
Structure length90 ft (27.4 m)
Longest span54 ft (16.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$671,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 138 over Moniteau CR built?

It was built in 1900, making it 125 years old in 2025.

What condition is County RD 138 over Moniteau CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2022.

How much traffic does County RD 138 over Moniteau CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 138 over Moniteau CR?

The structure is 90 ft (27.4 m) long with a longest span of 54 ft (16.6 m) and a deck 12 ft wide.

Who owns County RD 138 over Moniteau CR?

It is owned by the County Highway Agency.