US Bridges

Old Dominion ST over Trib 15

Fair

St. Charles County, Missouri · S 11 T 46 N R 2 E · Structure no. 28193

Built
1998
27 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
314
2024 count
Owner
County
County Highway Agency

About this bridge

Old Dominion ST over Trib 15 is a concrete culvert carrying Old Dominion ST over Trib 15 in St. Charles County, Missouri. It was built in 1998, so it is 27 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 5 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 314 vehicles a day, roughly 1% of them trucks, projected to reach 487 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld Dominion ST
CrossesTrib 15
LocationS 11 T 46 N R 2 E
RouteCounty Highway 475
Coordinates38.76208, -90.75982
Functional classUrban Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2024)
Projected traffic487 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Dominion ST over Trib 15 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Old Dominion ST over Trib 15 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 February 2024.

How much traffic does Old Dominion ST over Trib 15 carry?

About 314 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old Dominion ST over Trib 15?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Old Dominion ST over Trib 15?

It is owned by the County Highway Agency.