US Bridges

Rt Aj S over ST Johns CR

Fair

Franklin County, Missouri · S 22 T 43 N R 2 W · Structure no. 7303

Built
1960
65 years old, rebuilt 2017
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
1,180
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aj S over ST Johns CR is a steel continuous stringer/multi-beam or girder carrying Rt Aj S over ST Johns CR in Franklin County, Missouri. It was built in 1960 and reconstructed in 2017, so it is 65 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 1,180 vehicles a day, roughly 6% of them trucks, projected to reach 2,242 by 2044. The structure is 243 ft (74.1 m) long and 22 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRt Aj S
CrossesST Johns CR
LocationS 22 T 43 N R 2 W
RouteState Highway 0AJ
Coordinates38.46539, -91.12657
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length243 ft (74.1 m)
Longest span90 ft (27.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2024)
Projected traffic2,242 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Aj S over ST Johns CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2017.

What condition is Rt Aj S over ST Johns 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 2023.

How much traffic does Rt Aj S over ST Johns CR carry?

About 1,180 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Aj S over ST Johns CR?

The structure is 243 ft (74.1 m) long with a longest span of 90 ft (27.4 m) and a deck 22 ft wide.

Who owns Rt Aj S over ST Johns CR?

It is owned by the State Highway Agency.