US Bridges

Il 97 / Jefferson over Spring Creek

Fair

Sangamon County, Illinois · .08M E IL4/VET. Pkwy · Structure no. 084018000000000

Built
1982
43 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
3 main spans
Daily traffic
13,600
2021 count
Owner
State
State Highway Agency

About this bridge

Il 97 / Jefferson over Spring Creek is a steel continuous stringer/multi-beam or girder carrying Il 97 / Jefferson over Spring Creek in Sangamon County, Illinois. It was built in 1982, so it is 43 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 13,600 vehicles a day, roughly 3% of them trucks, projected to reach 13,736 by 2046. The structure is 270 ft (82.3 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 97 / Jefferson
CrossesSpring Creek
Location.08M E IL4/VET. Pkwy
RouteState Highway 97
Coordinates39.81547, -89.70007
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.3 m)
Longest span104 ft (31.7 m)
Deck width93 ft (28.4 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2021)
Projected traffic13,736 by 2046
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 97 / Jefferson over Spring Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Il 97 / Jefferson over Spring 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 July 2023.

How much traffic does Il 97 / Jefferson over Spring Creek carry?

About 13,600 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Il 97 / Jefferson over Spring Creek?

The structure is 270 ft (82.3 m) long with a longest span of 104 ft (31.7 m) and a deck 93 ft wide.

Who owns Il 97 / Jefferson over Spring Creek?

It is owned by the State Highway Agency.