US Bridges

Rt Oo S over Little Rock CR

Fair

St. Francois County, Missouri · S 2693 T 34 N R 7 E · Structure no. 5003

Built
1926
99 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
3,139
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Oo S over Little Rock CR is a concrete continuous culvert carrying Rt Oo S over Little Rock CR in St. Francois County, Missouri. It was built in 1926, so it is 99 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 3,139 vehicles a day, roughly 4% of them trucks, projected to reach 5,022 by 2044. The structure is 57 ft (17.4 m) long and 38 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesRt Oo S
CrossesLittle Rock CR
LocationS 2693 T 34 N R 7 E
RouteState Highway 0OO
CountySt. Francois County
StateMissouri
Coordinates37.66291, -90.28944
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,139 (2024)
Projected traffic5,022 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Oo S over Little Rock CR built?

It was built in 1926, making it 99 years old in 2025.

What condition is Rt Oo S over Little Rock 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 March 2023.

How much traffic does Rt Oo S over Little Rock CR carry?

About 3,139 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt Oo S over Little Rock CR?

The structure is 57 ft (17.4 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Rt Oo S over Little Rock CR?

It is owned by the State Highway Agency.