US Bridges

Il 157 over UPRR

Good

St. Clair County, Illinois · 0.7MI E of IL3 in Cahokia · Structure no. 082030300000000

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
165 ft
3 main spans
Daily traffic
10,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 157 over UPRR is a steel continuous stringer/multi-beam or girder carrying Il 157 over UPRR in St. Clair County, Illinois. It was built in 2009, so it is 16 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,550 vehicles a day, roughly 7% of them trucks, projected to reach 12,625 by 2046. The structure is 165 ft (50.4 m) long and 83 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIl 157
CrossesUPRR
Location0.7MI E of IL3 in Cahokia
RouteState Highway 157
Coordinates38.56564, -90.17891
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating60 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.4 m)
Longest span70 ft (21.2 m)
Deck width83 ft (25.3 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,550 (2023)
Projected traffic12,625 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 Il 157 over UPRR built?

It was built in 2009, making it 16 years old in 2025.

What condition is Il 157 over UPRR 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 June 2023.

How much traffic does Il 157 over UPRR carry?

About 10,550 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Il 157 over UPRR?

The structure is 165 ft (50.4 m) long with a longest span of 70 ft (21.2 m) and a deck 83 ft wide.

Who owns Il 157 over UPRR?

It is owned by the State Highway Agency.