US Bridges

Gregory LN S over Fenton CR

Fair

St. Louis County, Missouri · S 27 T 44 N R 5 E · Structure no. 4231

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
224
2024 count
Owner
State
State Highway Agency

About this bridge

Gregory LN S over Fenton CR is a concrete culvert carrying Gregory LN S over Fenton CR in St. Louis County, Missouri. It was built in 1997, so it is 28 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 224 vehicles a day, roughly 5% of them trucks, projected to reach 336 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesGregory LN S
CrossesFenton CR
LocationS 27 T 44 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.51741, -90.45364
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2024)
Projected traffic336 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Gregory LN S over Fenton CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Gregory LN S 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 Gregory LN S over Fenton CR carry?

About 224 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Gregory LN S over Fenton CR?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Gregory LN S over Fenton CR?

It is owned by the State Highway Agency.