US Bridges

Holmes Ave over Gravois CR

FairPosted for load

St. Louis County, Missouri · S 1936 T 44 N R 6 E · Structure no. 15849

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holmes Ave over Gravois CR is a concrete continuous culvert carrying Holmes Ave over Gravois CR in St. Louis County, Missouri. It was built in 1970, so it is 55 years old, older 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,700 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesHolmes Ave
CrossesGravois CR
LocationS 1936 T 44 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.56671, -90.39218
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating20.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadOther
Structure length43 ft (13.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 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 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 Holmes Ave over Gravois CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Holmes Ave over Gravois 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 November 2023.

How much traffic does Holmes Ave over Gravois CR carry?

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

How long is Holmes Ave over Gravois CR?

The structure is 43 ft (13.1 m) long with a longest span of 13 ft (4 m).

Who owns Holmes Ave over Gravois CR?

It is owned by the City or Municipal Highway Agency.