US Bridges

County RD 591 over Lit Indian CR

Fair

Monroe County, Missouri · S 31 T 56 N R 7 W · Structure no. 24537

Built
1920
105 years old, rebuilt 2012
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
52 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 591 over Lit Indian CR is a concrete channel beam carrying County RD 591 over Lit Indian CR in Monroe County, Missouri. It was built in 1920 and reconstructed in 2012, so it is 105 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 52 ft (16 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD 591
CrossesLit Indian CR
LocationS 31 T 56 N R 7 W
RouteCounty Highway 507
Coordinates39.59922, -91.73478
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length52 ft (16 m)
Longest span51 ft (15.4 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$283,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 591 over Lit Indian CR built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2012.

What condition is County RD 591 over Lit Indian CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does County RD 591 over Lit Indian CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 591 over Lit Indian CR?

The structure is 52 ft (16 m) long with a longest span of 51 ft (15.4 m) and a deck 17 ft wide.

Who owns County RD 591 over Lit Indian CR?

It is owned by the County Highway Agency.