US Bridges

Ohmes RD over Trib of Dardenne C

Fair

St. Charles County, Missouri · S 2 T 46 N R 3 E · Structure no. 28501

Built
1998
27 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
3,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ohmes RD over Trib of Dardenne C is a concrete culvert carrying Ohmes RD over Trib of Dardenne C 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 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 4,650 by 2044. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOhmes RD
CrossesTrib of Dardenne C
LocationS 2 T 46 N R 3 E
RouteCity Street 0
Coordinates38.77007, -90.64934
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2024)
Projected traffic4,650 by 2044
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
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 Ohmes RD over Trib of Dardenne C built?

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

What condition is Ohmes RD over Trib of Dardenne C 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 Ohmes RD over Trib of Dardenne C carry?

About 3,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ohmes RD over Trib of Dardenne C?

The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m).

Who owns Ohmes RD over Trib of Dardenne C?

It is owned by the City or Municipal Highway Agency.