US Bridges

Old HWY 141 over Fenton CR

Fair

St. Louis County, Missouri · S 35 T 44 N R 5 E · Structure no. 33007

Built
2011
14 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
10,608
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old HWY 141 over Fenton CR is a prestressed concrete box beam or girders - multiple carrying Old HWY 141 over Fenton CR in St. Louis County, Missouri. It was built in 2011, so it is 14 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 10,608 vehicles a day, roughly 5% of them trucks, projected to reach 14,321 by 2043. The structure is 59 ft (17.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld HWY 141
CrossesFenton CR
LocationS 35 T 44 N R 5 E
RouteCity Street 142
Coordinates38.5092, -90.43362
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span55 ft (16.8 m)
Deck width48 ft (14.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,608 (2023)
Projected traffic14,321 by 2043
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old HWY 141 over Fenton CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Old HWY 141 over Fenton 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 November 2023.

How much traffic does Old HWY 141 over Fenton CR carry?

About 10,608 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Old HWY 141 over Fenton CR?

The structure is 59 ft (17.9 m) long with a longest span of 55 ft (16.8 m) and a deck 48 ft wide.

Who owns Old HWY 141 over Fenton CR?

It is owned by the City or Municipal Highway Agency.