US Bridges

ST Anthony LN over ST Anthony CR

Fair

St. Louis County, Missouri · S 1202 T 47 N R 6 E · Structure no. 17259

Built
1999
26 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
5,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

ST Anthony LN over ST Anthony CR is a concrete culvert carrying ST Anthony LN over ST Anthony CR in St. Louis County, Missouri. It was built in 1999, so it is 26 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 6,750 by 2043. The structure is 30 ft (9.1 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesST Anthony LN
CrossesST Anthony CR
LocationS 1202 T 47 N R 6 E
RouteCity Street 0
Coordinates38.78376, -90.31533
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 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
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width51 ft (15.6 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic6,750 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 ST Anthony LN over ST Anthony CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is ST Anthony LN over ST Anthony 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 ST Anthony LN over ST Anthony CR carry?

About 5,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is ST Anthony LN over ST Anthony CR?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 51 ft wide.

Who owns ST Anthony LN over ST Anthony CR?

It is owned by the City or Municipal Highway Agency.