US Bridges

Inlet Road over Br of Green River

Fair

Lee County, Illinois · 0.4 M N of US Rt 52 · Structure no. 052506000000000

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
550
2022 count
Owner
County
County Highway Agency

About this bridge

Inlet Road over Br of Green River is a concrete culvert carrying Inlet Road over Br of Green River in Lee County, Illinois. It was built in 1961, so it is 64 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 5 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 550 vehicles a day, roughly 13% of them trucks, projected to reach 606 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesInlet Road
CrossesBr of Green River
Location0.4 M N of US Rt 52
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.65489, -89.23834
Functional classRural Major Collector

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2022)
Projected traffic606 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Inlet Road over Br of Green River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Inlet Road over Br of Green 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 January 2025.

How much traffic does Inlet Road over Br of Green River carry?

About 550 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Inlet Road over Br of Green River?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Inlet Road over Br of Green River?

It is owned by the County Highway Agency.