US Bridges

Lafayette ST over Fountain CR

Fair

St. Louis County, Missouri · S 1202 T 46 N R 6 E · Structure no. 17257

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
61 ft
2 main spans
Daily traffic
2,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lafayette ST over Fountain CR is a concrete culvert carrying Lafayette ST over Fountain CR in St. Louis County, Missouri. It was built in 1995, so it is 30 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.

It carries about 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,700 by 2043. The structure is 61 ft (18.6 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLafayette ST
CrossesFountain CR
LocationS 1202 T 46 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.78363, -90.32967
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 protection9 ExcellentNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span29 ft (8.8 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,700 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lafayette ST over Fountain CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Lafayette ST over Fountain 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 January 2024.

How much traffic does Lafayette ST over Fountain CR carry?

About 2,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Lafayette ST over Fountain CR?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.8 m) and a deck 42 ft wide.

Who owns Lafayette ST over Fountain CR?

It is owned by the City or Municipal Highway Agency.