US Bridges

Columbia Ave over UP RR

PoorClosed to traffic

St. Louis city, Missouri · S 2037 T 45 N R 6 E · Structure no. 12879

Built
1913
112 years old
Condition
Poor
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
4,060
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Columbia Ave over UP RR is a concrete continuous tee beam carrying Columbia Ave over UP RR in St. Louis city, Missouri. It was built in 1913, so it is 112 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 3 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. Its operating status is: closed to all traffic.

It carries about 4,060 vehicles a day, roughly 5% of them trucks, projected to reach 5,481 by 2043. The structure is 95 ft (28.9 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesColumbia Ave
CrossesUP RR
LocationS 2037 T 45 N R 6 E
RouteCity Street 0
Coordinates38.61084, -90.27381
Functional classUrban Local

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length95 ft (28.9 m)
Longest span32 ft (9.8 m)
Deck width59 ft (18.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,060 (2023)
Projected traffic5,481 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Columbia Ave over UP RR built?

It was built in 1913, making it 112 years old in 2025.

What condition is Columbia Ave over UP RR 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 March 2024.

How much traffic does Columbia Ave over UP RR carry?

About 4,060 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Columbia Ave over UP RR?

The structure is 95 ft (28.9 m) long with a longest span of 32 ft (9.8 m) and a deck 59 ft wide.

Who owns Columbia Ave over UP RR?

It is owned by the City or Municipal Highway Agency.