US Bridges

Bowles Ave over Fenton CR

FairPosted for load

St. Louis County, Missouri · S 32 T 44 N R 5 E · Structure no. 15701

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
7,345
2024 count
Owner
County
County Highway Agency

About this bridge

Bowles Ave over Fenton CR is a steel culvert carrying Bowles Ave over Fenton CR in St. Louis County, Missouri. It was built in 1979, so it is 46 years old, older 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 7,345 vehicles a day, roughly 10% of them trucks, projected to reach 9,916 by 2044. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBowles Ave
CrossesFenton CR
LocationS 32 T 44 N R 5 E
RouteCounty Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.51103, -90.47451
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating82.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,345 (2024)
Projected traffic9,916 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Bowles Ave over Fenton CR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Bowles Ave 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 April 2023.

How much traffic does Bowles Ave over Fenton CR carry?

About 7,345 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bowles Ave over Fenton CR?

The structure is 30 ft (9.1 m) long with a longest span of 25 ft (7.6 m).

Who owns Bowles Ave over Fenton CR?

It is owned by the County Highway Agency.