US Bridges

Mc Donnell Blvd over Metrolink

Good

St. Louis County, Missouri · S 4 T 46 N R 6 E · Structure no. 25378

Built
1993
32 years old
Condition
Good
inspected January 2024
Type
Frame
Concrete
Length
36 ft
1 main span
Daily traffic
3,079
2023 count
Owner
Local
Other Local Agency

About this bridge

Mc Donnell Blvd over Metrolink is a concrete frame carrying Mc Donnell Blvd over Metrolink in St. Louis County, Missouri. It was built in 1993, so it is 32 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,079 vehicles a day, roughly 1% of them trucks, projected to reach 4,157 by 2043. The structure is 36 ft (11 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMc Donnell Blvd
CrossesMetrolink
LocationS 4 T 46 N R 6 E
RouteCounty Highway 0
Coordinates38.73363, -90.34376
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating101.2 US tons
Inventory rating60.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length36 ft (11 m)
Longest span31 ft (9.4 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,079 (2023)
Projected traffic4,157 by 2043
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Mc Donnell Blvd over Metrolink built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mc Donnell Blvd over Metrolink in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Mc Donnell Blvd over Metrolink carry?

About 3,079 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mc Donnell Blvd over Metrolink?

The structure is 36 ft (11 m) long with a longest span of 31 ft (9.4 m) and a deck 44 ft wide.

Who owns Mc Donnell Blvd over Metrolink?

It is owned by the Other Local Agency.