US Bridges

Or 270 E over Drainage Dtch

Good

St. Louis County, Missouri · S 33 T 47 N R 6 W · Structure no. 36734

Built
2022
3 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
4,714
2024 count
Owner
State
State Highway Agency

About this bridge

Or 270 E over Drainage Dtch is a concrete continuous culvert carrying Or 270 E over Drainage Dtch in St. Louis County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,714 vehicles a day, roughly 4% of them trucks, projected to reach 7,071 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOr 270 E
CrossesDrainage Dtch
LocationS 33 T 47 N R 6 W
RouteState Highway 270
Coordinates38.77984, -90.36095
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.2 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 traffic4,714 (2024)
Projected traffic7,071 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 270 E over Drainage Dtch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Or 270 E over Drainage Dtch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Or 270 E over Drainage Dtch carry?

About 4,714 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Or 270 E over Drainage Dtch?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m).

Who owns Or 270 E over Drainage Dtch?

It is owned by the State Highway Agency.