US Bridges

Mo 180 E over UP RR

Fair

St. Louis County, Missouri · S 36 T 46 N R 6 E · Structure no. 3835

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
8,139
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 180 E over UP RR is a concrete frame carrying Mo 180 E over UP RR in St. Louis County, Missouri. It was built in 1988, so it is 37 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 8,139 vehicles a day, roughly 5% of them trucks, projected to reach 11,395 by 2044. The structure is 32 ft (9.8 m) long and 68 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMo 180 E
CrossesUP RR
LocationS 36 T 46 N R 6 E
RouteState Highway 180
CountySt. Louis County
StateMissouri
Coordinates38.67992, -90.29404
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating46.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span32 ft (9.7 m)
Deck width68 ft (20.7 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,139 (2024)
Projected traffic11,395 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 UP RR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Mo 180 E over UP RR 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 UP RR carry?

About 8,139 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 180 E over UP RR?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.7 m) and a deck 68 ft wide.

Who owns Mo 180 E over UP RR?

It is owned by the State Highway Agency.