US Bridges

Harrison Road over Kent Creek

Fair

Winnebago County, Illinois · 0.7 N Auburn ST · Structure no. 101505500000000

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harrison Road over Kent Creek is a concrete culvert carrying Harrison Road over Kent Creek in Winnebago County, Illinois. It was built in 1957, so it is 68 years old, older 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 100 vehicles a day, roughly 29% of them trucks, projected to reach 101 by 2046. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarrison Road
CrossesKent Creek
Location0.7 N Auburn ST
RouteCity Street 0
CountyWinnebago County
StateIllinois
Coordinates42.30134, -89.18444
Functional classUrban Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length41 ft (12.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic101 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Harrison Road over Kent Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Harrison Road over Kent 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 August 2023.

How much traffic does Harrison Road over Kent Creek carry?

About 100 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is Harrison Road over Kent Creek?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Harrison Road over Kent Creek?

It is owned by the City or Municipal Highway Agency.