US Bridges

Ch 15 Indian Head over Green River RD

Good

Lee County, Illinois · 7.5MI W of Harmon · Structure no. 052341800000000

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
166 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 15 Indian Head over Green River RD is a steel continuous stringer/multi-beam or girder carrying Ch 15 Indian Head over Green River RD in Lee County, Illinois. It was built in 2013, so it is 12 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 300 vehicles a day, roughly 37% of them trucks, projected to reach 253 by 2046. The structure is 166 ft (50.6 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesCh 15 Indian Head
CrossesGreen River RD
Location7.5MI W of Harmon
RouteCounty Highway 0
Coordinates41.60764, -89.59313
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length166 ft (50.6 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic253 by 2046
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 15 Indian Head over Green River RD built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ch 15 Indian Head over Green River RD 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 February 2024.

How much traffic does Ch 15 Indian Head over Green River RD carry?

About 300 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is Ch 15 Indian Head over Green River RD?

The structure is 166 ft (50.6 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns Ch 15 Indian Head over Green River RD?

It is owned by the County Highway Agency.