US Bridges

Is 270 E over Maline CR

Poor

St. Louis County, Missouri · S 31 T 47 N R 7 E · Structure no. 5568

Built
1931
94 years old, rebuilt 2019
Condition
Poor
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
111,723
2024 count
Owner
State
State Highway Agency

About this bridge

Is 270 E over Maline CR is a concrete continuous culvert carrying Is 270 E over Maline CR in St. Louis County, Missouri. It was built in 1931 and reconstructed in 2019, so it is 94 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 111,723 vehicles a day, roughly 18% of them trucks, projected to reach 139,654 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 270 E
CrossesMaline CR
LocationS 31 T 47 N R 7 E
RouteInterstate 270
CountySt. Louis County
StateMissouri
Coordinates38.77096, -90.26782
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic111,723 (2024)
Projected traffic139,654 by 2044
Trucks18%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Is 270 E over Maline CR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2019.

What condition is Is 270 E over Maline CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Is 270 E over Maline CR carry?

About 111,723 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 270 E over Maline CR?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Is 270 E over Maline CR?

It is owned by the State Highway Agency.