US Bridges

Ill 127 over Clear Creek

Good

Union County, Illinois · 3 MI So of Alto Pass · Structure no. 091006800000000

Built
1989
36 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
1,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 127 over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 127 over Clear Creek in Union County, Illinois. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,350 vehicles a day, roughly 10% of them trucks, projected to reach 1,212 by 2046. The structure is 95 ft (28.9 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIll 127
CrossesClear Creek
Location3 MI So of Alto Pass
RouteState Highway 127
Coordinates37.52503, -89.31391
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating52.9 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (28.9 m)
Longest span92 ft (28 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,212 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 Ill 127 over Clear Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ill 127 over Clear Creek 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 December 2023.

How much traffic does Ill 127 over Clear Creek carry?

About 1,350 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 127 over Clear Creek?

The structure is 95 ft (28.9 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns Ill 127 over Clear Creek?

It is owned by the State Highway Agency.