US Bridges

Capp Road over Br of Elkhorn Creek

Fair

Whiteside County, Illinois · 5 MI N Sterling · Structure no. 098471300000000

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Capp Road over Br of Elkhorn Creek is a concrete continuous culvert carrying Capp Road over Br of Elkhorn Creek in Whiteside County, Illinois. It was built in 1958, so it is 67 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCapp Road
CrossesBr of Elkhorn Creek
Location5 MI N Sterling
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.87283, -89.68203
Functional classRural 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span14 ft (4.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Capp Road over Br of Elkhorn Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Capp Road over Br of Elkhorn 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 September 2024.

How much traffic does Capp Road over Br of Elkhorn Creek carry?

About 50 vehicles per day (2021 count).

How long is Capp Road over Br of Elkhorn Creek?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.2 m) and a deck 26 ft wide.

Who owns Capp Road over Br of Elkhorn Creek?

It is owned by the Town or Township Highway Agency.