US Bridges

Kent Road over Yellow Creek

Good

Stephenson County, Illinois · 3.5 MI SW Lena · Structure no. 089303600000000

Built
1947
78 years old, rebuilt 1999
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
325
2024 count
Owner
County
County Highway Agency

About this bridge

Kent Road over Yellow Creek is a steel continuous stringer/multi-beam or girder carrying Kent Road over Yellow Creek in Stephenson County, Illinois. It was built in 1947 and reconstructed in 1999, so it is 78 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 325 vehicles a day, roughly 12% of them trucks, projected to reach 253 by 2046. The structure is 140 ft (42.8 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesKent Road
CrossesYellow Creek
Location3.5 MI SW Lena
RouteCounty Highway 0
Coordinates42.33356, -89.88349
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.8 m)
Longest span54 ft (16.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2024)
Projected traffic253 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$269,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kent Road over Yellow Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1999.

What condition is Kent Road over Yellow 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 Kent Road over Yellow Creek carry?

About 325 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Kent Road over Yellow Creek?

The structure is 140 ft (42.8 m) long with a longest span of 54 ft (16.4 m) and a deck 26 ft wide.

Who owns Kent Road over Yellow Creek?

It is owned by the County Highway Agency.