US Bridges

Lindell-Union over Metrolink

PoorPosted for load

St. Louis city, Missouri · S 3125 T 45 N R 6 E · Structure no. 12952

Built
1929
96 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
30,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lindell-Union over Metrolink is a concrete continuous slab carrying Lindell-Union over Metrolink in St. Louis city, Missouri. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 30,000 vehicles a day, roughly 5% of them trucks, projected to reach 40,500 by 2043. The structure is 63 ft (19.2 m) long and 200 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLindell-Union
CrossesMetrolink
LocationS 3125 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.645, -90.27463
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating19.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length63 ft (19.2 m)
Longest span32 ft (9.8 m)
Deck width200 ft (61 m)
Roadway width176 ft (53.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2023)
Projected traffic40,500 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lindell-Union over Metrolink built?

It was built in 1929, making it 96 years old in 2025.

What condition is Lindell-Union over Metrolink 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 April 2024.

How much traffic does Lindell-Union over Metrolink carry?

About 30,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lindell-Union over Metrolink?

The structure is 63 ft (19.2 m) long with a longest span of 32 ft (9.8 m) and a deck 200 ft wide.

Who owns Lindell-Union over Metrolink?

It is owned by the City or Municipal Highway Agency.