US Bridges

County RD 859 over Long Branch CR

PoorPosted for load

Monroe County, Missouri · S 28 T 53 N R 10 W · Structure no. 14617

Built
1910
115 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
91 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 859 over Long Branch CR is a steel truss - thru carrying County RD 859 over Long Branch CR in Monroe County, Missouri. It was built in 1910, so it is 115 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 4 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: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2043. The structure is 91 ft (27.7 m) long and 12 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 859
CrossesLong Branch CR
LocationS 28 T 53 N R 10 W
RouteCounty Highway 71
CountyMonroe County
StateMissouri
Coordinates39.34721, -92.04291
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.9 US tons
Inventory rating11.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadOther
Structure length91 ft (27.7 m)
Longest span61 ft (18.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic38 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
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 859 over Long Branch CR built?

It was built in 1910, making it 115 years old in 2025.

What condition is County RD 859 over Long Branch 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 June 2024.

How much traffic does County RD 859 over Long Branch CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 859 over Long Branch CR?

The structure is 91 ft (27.7 m) long with a longest span of 61 ft (18.6 m) and a deck 12 ft wide.

Who owns County RD 859 over Long Branch CR?

It is owned by the County Highway Agency.