US Bridges

Larkin-Williams over Trib Meramec Rvr

FairPosted for load

St. Louis County, Missouri · S 373 T 44 N R 5 E · Structure no. 17098

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
10,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larkin-Williams over Trib Meramec Rvr is a steel culvert carrying Larkin-Williams over Trib Meramec Rvr in St. Louis County, Missouri. It was built in 1980, so it is 45 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. Its operating status is: posted for load restriction.

It carries about 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 13,500 by 2043. The structure is 30 ft (9.1 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLarkin-Williams
CrossesTrib Meramec Rvr
LocationS 373 T 44 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.51633, -90.43706
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2023)
Projected traffic13,500 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Larkin-Williams over Trib Meramec Rvr built?

It was built in 1980, making it 45 years old in 2025.

What condition is Larkin-Williams over Trib Meramec Rvr 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 Larkin-Williams over Trib Meramec Rvr carry?

About 10,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Larkin-Williams over Trib Meramec Rvr?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns Larkin-Williams over Trib Meramec Rvr?

It is owned by the City or Municipal Highway Agency.