US Bridges

Il 57 (gardner Exp over Curtis Creek

Fair

Adams County, Illinois · 1.6M S US 24(MAINE) · Structure no. 001001300000000

Built
1959
66 years old, rebuilt 2020
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
54 ft
2 main spans
Daily traffic
5,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 57 (gardner Exp over Curtis Creek is a steel continuous stringer/multi-beam or girder carrying Il 57 (gardner Exp over Curtis Creek in Adams County, Illinois. It was built in 1959 and reconstructed in 2020, so it is 66 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 5,150 vehicles a day, roughly 25% of them trucks, projected to reach 4,444 by 2046. The structure is 54 ft (16.6 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 57 (gardner Exp
CrossesCurtis Creek
Location1.6M S US 24(MAINE)
RouteState Highway 57
Coordinates39.90951, -91.40963
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span26 ft (7.8 m)
Deck width61 ft (18.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2023)
Projected traffic4,444 by 2046
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 57 (gardner Exp over Curtis Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2020.

What condition is Il 57 (gardner Exp over Curtis 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 February 2025.

How much traffic does Il 57 (gardner Exp over Curtis Creek carry?

About 5,150 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Il 57 (gardner Exp over Curtis Creek?

The structure is 54 ft (16.6 m) long with a longest span of 26 ft (7.8 m) and a deck 61 ft wide.

Who owns Il 57 (gardner Exp over Curtis Creek?

It is owned by the State Highway Agency.