US Bridges

County RD 591 over Lit Indian CR

Fair

Monroe County, Missouri · S 6 T 55 N R 7 W · Structure no. 24442

Built
1920
105 years old, rebuilt 2005
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 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 steel stringer/multi-beam or girder carrying County RD 591 over Lit Indian CR in Monroe County, Missouri. It was built in 1920 and reconstructed in 2005, 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 6 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 51 ft (15.5 m) long and 15 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 591
CrossesLit Indian CR
LocationS 6 T 55 N R 7 W
RouteCounty Highway 493
Coordinates39.59578, -91.73189
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 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 closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
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 2005.

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 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 15 ft wide.

Who owns County RD 591 over Lit Indian CR?

It is owned by the County Highway Agency.