US Bridges

Rt a E over Salt Rvr

Fair

Ralls County, Missouri · S 4 T 55 N R 6 W · Structure no. 2945

Built
1976
49 years old, rebuilt 2020
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
500 ft
3 main spans
Daily traffic
585
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a E over Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Rt a E over Salt Rvr in Ralls County, Missouri. It was built in 1976 and reconstructed in 2020, so it is 49 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 585 vehicles a day, roughly 11% of them trucks, projected to reach 848 by 2044. The structure is 500 ft (152.4 m) long and 31 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesRt a E
CrossesSalt Rvr
LocationS 4 T 55 N R 6 W
RouteState Highway 0A
Coordinates39.57396, -91.57124
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 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 rating46.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadH 20
Structure length500 ft (152.4 m)
Longest span150 ft (45.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic585 (2024)
Projected traffic848 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 a E over Salt Rvr built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2020.

What condition is Rt a E over Salt Rvr 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 August 2024.

How much traffic does Rt a E over Salt Rvr carry?

About 585 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a E over Salt Rvr?

The structure is 500 ft (152.4 m) long with a longest span of 150 ft (45.7 m) and a deck 31 ft wide.

Who owns Rt a E over Salt Rvr?

It is owned by the State Highway Agency.