US Bridges

ST Malachy LN over ST Anthony CR

Good

St. Louis County, Missouri · S 5 T 47 N R 6 E · Structure no. 28931

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
700
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

ST Malachy LN over ST Anthony CR is a concrete culvert carrying ST Malachy LN over ST Anthony CR in St. Louis County, Missouri. It was built in 2002, so it is 23 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 1% of them trucks, projected to reach 945 by 2043. The structure is 28 ft (8.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST Malachy LN
CrossesST Anthony CR
LocationS 5 T 47 N R 6 E
RouteCity Street 0
Coordinates38.78384, -90.31819
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width39 ft (11.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic945 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Malachy LN over ST Anthony CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is ST Malachy LN over ST Anthony CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does ST Malachy LN over ST Anthony CR carry?

About 700 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is ST Malachy LN over ST Anthony CR?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 39 ft wide.

Who owns ST Malachy LN over ST Anthony CR?

It is owned by the City or Municipal Highway Agency.