US Bridges

N Hanley RD over Metrolink

Fair

St. Louis County, Missouri · S 15 T 46 N R 6 E · Structure no. 25376

Built
1992
33 years old
Condition
Fair
inspected January 2024
Type
Frame
Concrete
Length
40 ft
1 main span
Daily traffic
15,183
2023 count
Owner
Local
Other Local Agency

About this bridge

N Hanley RD over Metrolink is a concrete frame carrying N Hanley RD over Metrolink in St. Louis County, Missouri. It was built in 1992, so it is 33 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 15,183 vehicles a day, roughly 3% of them trucks, projected to reach 20,497 by 2043. The structure is 40 ft (12.2 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN Hanley RD
CrossesMetrolink
LocationS 15 T 46 N R 6 E
RouteCounty Highway 0
Coordinates38.71988, -90.31712
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width76 ft (23.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,183 (2023)
Projected traffic20,497 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 N Hanley RD over Metrolink built?

It was built in 1992, making it 33 years old in 2025.

What condition is N Hanley RD 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 January 2024.

How much traffic does N Hanley RD over Metrolink carry?

About 15,183 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is N Hanley RD over Metrolink?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 76 ft wide.

Who owns N Hanley RD over Metrolink?

It is owned by the Other Local Agency.