US Bridges

Mo 141 N over Saline CR

Good

Jefferson County, Missouri · S 3011 T 43 N R 5 E · Structure no. 2332

Built
1974
51 years old, rebuilt 2002
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
17,851
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 141 N over Saline CR is a steel continuous stringer/multi-beam or girder carrying Mo 141 N over Saline CR in Jefferson County, Missouri. It was built in 1974 and reconstructed in 2002, so it is 51 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,851 vehicles a day, roughly 5% of them trucks, projected to reach 33,024 by 2044. The structure is 151 ft (46 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 141 N
CrossesSaline CR
LocationS 3011 T 43 N R 5 E
RouteState Highway 141
Coordinates38.48168, -90.44209
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,851 (2024)
Projected traffic33,024 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 Mo 141 N over Saline CR built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2002.

What condition is Mo 141 N over Saline CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Mo 141 N over Saline CR carry?

About 17,851 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 141 N over Saline CR?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 41 ft wide.

Who owns Mo 141 N over Saline CR?

It is owned by the State Highway Agency.