US Bridges

Rt an S over Red Oak CR

Fair

Franklin County, Missouri · S 2 T 41 N R 4 W · Structure no. 3426

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
232 ft
4 main spans
Daily traffic
121
2024 count
Owner
State
State Highway Agency

About this bridge

Rt an S over Red Oak CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt an S over Red Oak CR in Franklin County, Missouri. It was built in 1983, so it is 42 years old, younger 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 121 vehicles a day, roughly 8% of them trucks, projected to reach 230 by 2044. The structure is 232 ft (70.7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt an S
CrossesRed Oak CR
LocationS 2 T 41 N R 4 W
RouteState Highway 0AN
Coordinates38.32123, -91.3397
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length232 ft (70.7 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2024)
Projected traffic230 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 an S over Red Oak CR built?

It was built in 1983, making it 42 years old in 2025.

What condition is Rt an S over Red Oak 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 October 2024.

How much traffic does Rt an S over Red Oak CR carry?

About 121 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt an S over Red Oak CR?

The structure is 232 ft (70.7 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns Rt an S over Red Oak CR?

It is owned by the State Highway Agency.