US Bridges

Sleepy Hollow RD over Trib of Green River

Good

Lee County, Illinois · 0.5 M W Rockyford RD · Structure no. 052404600000000

Built
1981
44 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
175
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sleepy Hollow RD over Trib of Green River is a prestressed concrete box beam or girders - multiple carrying Sleepy Hollow RD over Trib of Green River in Lee County, Illinois. It was built in 1981, so it is 44 years old, younger 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 38% of them trucks, projected to reach 152 by 2046. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSleepy Hollow RD
CrossesTrib of Green River
Location0.5 M W Rockyford RD
RouteCounty Highway 0
Coordinates41.68241, -89.35694
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic152 by 2046
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Sleepy Hollow RD over Trib of Green River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sleepy Hollow RD over Trib of Green 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 January 2025.

How much traffic does Sleepy Hollow RD over Trib of Green River carry?

About 175 vehicles per day (2022 count), of which roughly 38% are trucks.

How long is Sleepy Hollow RD over Trib of Green River?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns Sleepy Hollow RD over Trib of Green River?

It is owned by the Town or Township Highway Agency.