US Bridges

Rhl DR over Drainage Channel

Fair

St. Louis County, Missouri · S 125 T 48 N R 4 E · Structure no. 35207

Built
2000
25 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
5,192
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rhl DR over Drainage Channel is a concrete culvert carrying Rhl DR over Drainage Channel in St. Louis County, Missouri. It was built in 2000, so it is 25 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 5,192 vehicles a day, roughly 5% of them trucks, projected to reach 7,009 by 2043. The structure is 34 ft (10.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRhl DR
CrossesDrainage Channel
LocationS 125 T 48 N R 4 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.66397, -90.60312
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 inspectionDecember 2023
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width62 ft (19 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,192 (2023)
Projected traffic7,009 by 2043
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rhl DR over Drainage Channel built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rhl DR over Drainage Channel 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 December 2023.

How much traffic does Rhl DR over Drainage Channel carry?

About 5,192 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Rhl DR over Drainage Channel?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m) and a deck 62 ft wide.

Who owns Rhl DR over Drainage Channel?

It is owned by the City or Municipal Highway Agency.