US Bridges

13th ST over Saline CR

FairPosted for load

Jefferson County, Missouri · S 10 T 43 N R 5 E · Structure no. 31380

Built
2001
24 years old, rebuilt 2017
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
600
2023 count
Owner
County
County Highway Agency

About this bridge

13th ST over Saline CR is a prestressed concrete continuous box beam or girders - multiple carrying 13th ST over Saline CR in Jefferson County, Missouri. It was built in 2001 and reconstructed in 2017, so it is 24 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. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,020 by 2043. The structure is 185 ft (56.4 m) long and 48 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
Carries13th ST
CrossesSaline CR
LocationS 10 T 43 N R 5 E
RouteCity Street 427
CountyJefferson County
StateMissouri
Coordinates38.48436, -90.44479
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating43.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckOther
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span62 ft (19 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic1,020 by 2043
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 13th ST over Saline CR built?

It was built in 2001, making it 24 years old in 2025. It was reconstructed in 2017.

What condition is 13th ST over Saline 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 February 2025.

How much traffic does 13th ST over Saline CR carry?

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 13th ST over Saline CR?

The structure is 185 ft (56.4 m) long with a longest span of 62 ft (19 m) and a deck 48 ft wide.

Who owns 13th ST over Saline CR?

It is owned by the County Highway Agency.