US Bridges

Rush Road over Br of Rock River

Good

Whiteside County, Illinois · 3 MI NE of Lyndon · Structure no. 098485500000000

Built
1974
51 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Rush Road over Br of Rock River is a concrete culvert carrying Rush Road over Br of Rock River in Whiteside County, Illinois. It was built in 1974, so it is 51 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 12% of them trucks, projected to reach 51 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesRush Road
CrossesBr of Rock River
Location3 MI NE of Lyndon
RouteCounty Highway 0
Coordinates41.74844, -89.87017
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 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 rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
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 traffic50 (2022)
Projected traffic51 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Rush Road over Br of Rock River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Rush Road over Br of Rock River 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 September 2024.

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

About 50 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Rush 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 Rush Road over Br of Rock River?

It is owned by the Town or Township Highway Agency.