US Bridges

Mo 23 S over Salt Fork CR

Fair

Lafayette County, Missouri · S 4 T 50 N R 24 W · Structure no. 31516

Built
2006
19 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
202 ft
4 main spans
Daily traffic
1,416
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 23 S over Salt Fork CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 23 S over Salt Fork CR in Lafayette County, Missouri. It was built in 2006, so it is 19 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 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 1,416 vehicles a day, roughly 11% of them trucks, projected to reach 2,053 by 2044. The structure is 202 ft (61.6 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesMo 23 S
CrossesSalt Fork CR
LocationS 4 T 50 N R 24 W
RouteState Highway 23
CountyLafayette County
StateMissouri
Coordinates39.16398, -93.55049
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,416 (2024)
Projected traffic2,053 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 23 S over Salt Fork CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Mo 23 S over Salt Fork 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 January 2023.

How much traffic does Mo 23 S over Salt Fork CR carry?

About 1,416 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 23 S over Salt Fork CR?

The structure is 202 ft (61.6 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Mo 23 S over Salt Fork CR?

It is owned by the State Highway Agency.