US Bridges

Yager Road over Br of Rock River

Fair

Whiteside County, Illinois · 1.5 MI NE Lyndon · Structure no. 098485800000000

Built
1987
38 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
125
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Yager Road over Br of Rock River is a concrete culvert carrying Yager Road over Br of Rock River in Whiteside County, Illinois. It was built in 1987, so it is 38 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 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 125 vehicles a day, roughly 16% of them trucks, projected to reach 126 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesYager Road
CrossesBr of Rock River
Location1.5 MI NE Lyndon
RouteCounty Highway 0
Coordinates41.74153, -89.90127
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic126 by 2046
Trucks16%
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 Yager Road over Br of Rock River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Yager Road over Br of Rock River 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 November 2024.

How much traffic does Yager Road over Br of Rock River carry?

About 125 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Yager Road over Br of Rock River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m).

Who owns Yager Road over Br of Rock River?

It is owned by the Town or Township Highway Agency.