US Bridges

Mo 180 E over Metrolink

Fair

St. Louis County, Missouri · S 2775 T 46 N R 6 E · Structure no. 11988

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
219 ft
3 main spans
Daily traffic
8,975
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 180 E over Metrolink is a prestressed concrete continuous box beam or girders - multiple carrying Mo 180 E over Metrolink 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 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 8,975 vehicles a day, roughly 5% of them trucks, projected to reach 12,565 by 2044. The structure is 219 ft (66.8 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMo 180 E
CrossesMetrolink
LocationS 2775 T 46 N R 6 E
RouteState Highway 180
CountySt. Louis County
StateMissouri
Coordinates38.68365, -90.30111
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length219 ft (66.8 m)
Longest span66 ft (20.1 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,975 (2024)
Projected traffic12,565 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 180 E over Metrolink built?

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

What condition is Mo 180 E over Metrolink 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 September 2024.

How much traffic does Mo 180 E over Metrolink carry?

About 8,975 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 180 E over Metrolink?

The structure is 219 ft (66.8 m) long with a longest span of 66 ft (20.1 m) and a deck 70 ft wide.

Who owns Mo 180 E over Metrolink?

It is owned by the State Highway Agency.