US Bridges

Spring Valley Road over East Fork Creek

Good

Carroll County, Illinois · 5 M N of Lanark · Structure no. 008330100000000

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Spring Valley Road over East Fork Creek is a concrete continuous slab carrying Spring Valley Road over East Fork Creek in Carroll County, Illinois. It was built in 1971, so it is 54 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 175 vehicles a day, roughly 21% of them trucks, projected to reach 177 by 2046. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSpring Valley Road
CrossesEast Fork Creek
Location5 M N of Lanark
RouteCounty Highway 0
Coordinates42.18366, -89.8153
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic177 by 2046
Trucks21%
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 Spring Valley Road over East Fork Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Spring Valley Road over East Fork 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 April 2023.

How much traffic does Spring Valley Road over East Fork Creek carry?

About 175 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is Spring Valley Road over East Fork Creek?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Spring Valley Road over East Fork Creek?

It is owned by the Town or Township Highway Agency.