US Bridges

St. Joseph Hills over Trib of Labarque C

Good

Jefferson County, Missouri · S 4 T 42 N R 4 W · Structure no. 30077

Built
2003
22 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
59
2023 count
Owner
County
County Highway Agency

About this bridge

St. Joseph Hills over Trib of Labarque C is a prestressed concrete box beam or girders - multiple carrying St. Joseph Hills over Trib of Labarque C in Jefferson County, Missouri. It was built in 2003, so it is 22 years old, younger 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 59 vehicles a day, roughly 2% of them trucks, projected to reach 118 by 2043. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSt. Joseph Hills
CrossesTrib of Labarque C
LocationS 4 T 42 N R 4 W
RouteCounty Highway 9
Coordinates38.41202, -90.68598
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2023)
Projected traffic118 by 2043
Trucks2%
Lanes on structure2
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 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 St. Joseph Hills over Trib of Labarque C built?

It was built in 2003, making it 22 years old in 2025.

What condition is St. Joseph Hills over Trib of Labarque C 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 February 2025.

How much traffic does St. Joseph Hills over Trib of Labarque C carry?

About 59 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is St. Joseph Hills over Trib of Labarque C?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns St. Joseph Hills over Trib of Labarque C?

It is owned by the County Highway Agency.