US Bridges

Carter Road over Green River Trib

Fair

Lee County, Illinois · 2.5 MI N Maytown RD · Structure no. 052421800000000

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
10
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Carter Road over Green River Trib is a prestressed concrete box beam or girders - multiple carrying Carter Road over Green River Trib in Lee County, Illinois. It was built in 1980, so it is 45 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 10 vehicles a day, projected to reach 10 by 2046. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCarter Road
CrossesGreen River Trib
Location2.5 MI N Maytown RD
RouteCounty Highway 0
Coordinates41.66532, -89.40165
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2017)
Projected traffic10 by 2046
Trucks0%
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 Carter Road over Green River Trib built?

It was built in 1980, making it 45 years old in 2025.

What condition is Carter Road over Green River Trib 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 February 2025.

How much traffic does Carter Road over Green River Trib carry?

About 10 vehicles per day (2017 count).

How long is Carter Road over Green River Trib?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Carter Road over Green River Trib?

It is owned by the Town or Township Highway Agency.