US Bridges

Ill 157 NB over FAI 270

Fair

Madison County, Illinois · 1.5 MI N Peters Sta · Structure no. 060008600000000

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
10,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 157 NB over FAI 270 is a steel continuous stringer/multi-beam or girder carrying Ill 157 NB over FAI 270 in Madison County, Illinois. It was built in 1963, so it is 62 years old, older than the Illinois average of 45.3 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 10,050 vehicles a day, roughly 5% of them trucks, projected to reach 5,216 by 2046. The structure is 238 ft (72.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIll 157 NB
CrossesFAI 270
Location1.5 MI N Peters Sta
RouteState Highway 157
Coordinates38.75623, -90.00759
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,050 (2023)
Projected traffic5,216 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$611,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ill 157 NB over FAI 270 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ill 157 NB over FAI 270 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 2023.

How much traffic does Ill 157 NB over FAI 270 carry?

About 10,050 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 157 NB over FAI 270?

The structure is 238 ft (72.5 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns Ill 157 NB over FAI 270?

It is owned by the State Highway Agency.