US Bridges

Il 125 over Trib Prairie Creek

Good

Sangamon County, Illinois · 2.3 MI W Il 97 · Structure no. 084203300000000

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
6,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 125 over Trib Prairie Creek is a concrete continuous culvert carrying Il 125 over Trib Prairie Creek in Sangamon County, Illinois. It was built in 2001, so it is 24 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 6,150 vehicles a day, roughly 6% of them trucks, projected to reach 5,707 by 2046. The structure is 45 ft (13.6 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIl 125
CrossesTrib Prairie Creek
Location2.3 MI W Il 97
RouteState Highway 125
Coordinates39.84703, -89.82362
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2023)
Projected traffic5,707 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 125 over Trib Prairie Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Il 125 over Trib Prairie 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 November 2023.

How much traffic does Il 125 over Trib Prairie Creek carry?

About 6,150 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 125 over Trib Prairie Creek?

The structure is 45 ft (13.6 m) long with a longest span of 14 ft (4.2 m).

Who owns Il 125 over Trib Prairie Creek?

It is owned by the State Highway Agency.