US Bridges

Il 37 over Atchison Creek

Fair

Jefferson County, Illinois · 8 MI S Il 148 · Structure no. 041011000000000

Built
2020
5 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
2 main spans
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 37 over Atchison Creek is a steel continuous stringer/multi-beam or girder carrying Il 37 over Atchison Creek in Jefferson County, Illinois. It was built in 2020, so it is 5 years old, younger 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 3,700 vehicles a day, roughly 10% of them trucks, projected to reach 3,838 by 2046. The structure is 144 ft (43.9 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIl 37
CrossesAtchison Creek
Location8 MI S Il 148
RouteState Highway 37
Coordinates38.18604, -88.90355
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length144 ft (43.9 m)
Longest span75 ft (23 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic3,838 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 37 over Atchison Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Il 37 over Atchison Creek 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 October 2022.

How much traffic does Il 37 over Atchison Creek carry?

About 3,700 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 37 over Atchison Creek?

The structure is 144 ft (43.9 m) long with a longest span of 75 ft (23 m) and a deck 39 ft wide.

Who owns Il 37 over Atchison Creek?

It is owned by the State Highway Agency.