US Bridges

County RD 614 over Maries Rvr

PoorPosted for load

Maries County, Missouri · S 26 T 40 N R 10 W · Structure no. 13165

Built
1940
85 years old
Condition
Poor
inspected April 2023
Type
Tee Beam
Concrete
Length
141 ft
4 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 614 over Maries Rvr is a concrete tee beam carrying County RD 614 over Maries Rvr in Maries County, Missouri. It was built in 1940, so it is 85 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 141 ft (43 m) long and 20 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCounty RD 614
CrossesMaries Rvr
LocationS 26 T 40 N R 10 W
RouteCounty Highway 30
CountyMaries County
StateMissouri
Coordinates38.17782, -92.00279
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating22.8 US tons
Inventory rating7.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length141 ft (43 m)
Longest span36 ft (11 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic48 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$965,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 614 over Maries Rvr built?

It was built in 1940, making it 85 years old in 2025.

What condition is County RD 614 over Maries Rvr 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 April 2023.

How much traffic does County RD 614 over Maries Rvr carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 614 over Maries Rvr?

The structure is 141 ft (43 m) long with a longest span of 36 ft (11 m) and a deck 20 ft wide.

Who owns County RD 614 over Maries Rvr?

It is owned by the County Highway Agency.