US Bridges

Florissant RD over Maline CR

Fair

St. Louis County, Missouri · S 2504 T 46 N R 6 W · Structure no. 36518

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
26,955
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Florissant RD over Maline CR is a concrete continuous culvert carrying Florissant RD over Maline 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 26,955 vehicles a day, roughly 5% of them trucks, projected to reach 36,389 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFlorissant RD
CrossesMaline CR
LocationS 2504 T 46 N R 6 W
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.73741, -90.30226
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,955 (2023)
Projected traffic36,389 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Florissant RD over Maline CR built?

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

What condition is Florissant RD over Maline 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 December 2023.

How much traffic does Florissant RD over Maline CR carry?

About 26,955 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Florissant RD over Maline CR?

The structure is 48 ft (14.6 m) long with a longest span of 14 ft (4.3 m).

Who owns Florissant RD over Maline CR?

It is owned by the City or Municipal Highway Agency.