US Bridges

Il 251 & Ramps over Spring Creek

Fair

Winnebago County, Illinois · .1 MI N Spring CR RD · Structure no. 101204200000000

Built
2002
23 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
29,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 251 & Ramps over Spring Creek is a concrete culvert carrying Il 251 & Ramps over Spring Creek in Winnebago County, Illinois. It was built in 2002, so it is 23 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 5 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 29,700 vehicles a day, roughly 6% of them trucks, projected to reach 32,118 by 2046. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIl 251 & Ramps
CrossesSpring Creek
Location.1 MI N Spring CR RD
RouteState Highway 251
CountyWinnebago County
StateIllinois
Coordinates42.28983, -89.06041
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2023)
Projected traffic32,118 by 2046
Trucks6%
Lanes on structure7
Traffic directionTwo-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 251 & Ramps over Spring Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Il 251 & Ramps 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 January 2024.

How much traffic does Il 251 & Ramps over Spring Creek carry?

About 29,700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 251 & Ramps over Spring Creek?

The structure is 35 ft (10.8 m) long with a longest span of 11 ft (3.3 m).

Who owns Il 251 & Ramps over Spring Creek?

It is owned by the State Highway Agency.