US Bridges

Is 44 W over BNSF RR

Fair

St. Louis County, Missouri · S 35 T 45 N R 6 E · Structure no. 35221

Built
2016
9 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
410 ft
1 main span
Daily traffic
51,357
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 W over BNSF RR is a steel stringer/multi-beam or girder carrying Is 44 W over BNSF RR in St. Louis County, Missouri. It was built in 2016, so it is 9 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 5 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 51,357 vehicles a day, roughly 12% of them trucks, projected to reach 64,196 by 2044. The structure is 410 ft (125 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 44 W
CrossesBNSF RR
LocationS 35 T 45 N R 6 E
RouteInterstate 44
CountySt. Louis County
StateMissouri
Coordinates38.59651, -90.321
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length410 ft (125 m)
Longest span156 ft (47.5 m)
Deck width69 ft (21.1 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,357 (2024)
Projected traffic64,196 by 2044
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 44 W over BNSF RR built?

It was built in 2016, making it 9 years old in 2025.

What condition is Is 44 W over BNSF 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 June 2024.

How much traffic does Is 44 W over BNSF RR carry?

About 51,357 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 44 W over BNSF RR?

The structure is 410 ft (125 m) long with a longest span of 156 ft (47.5 m) and a deck 69 ft wide.

Who owns Is 44 W over BNSF RR?

It is owned by the State Highway Agency.