US Bridges

Gils RD - TR 179 over Little Mackinaw Rive

Good

Tazewell County, Illinois · N.CTR-9-T23NR2W · Structure no. 090311200000000

Built
1961
64 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Gils RD - TR 179 over Little Mackinaw Rive is a steel stringer/multi-beam or girder carrying Gils RD - TR 179 over Little Mackinaw Rive in Tazewell 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 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 58 ft (17.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGils RD - TR 179
CrossesLittle Mackinaw Rive
LocationN.CTR-9-T23NR2W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.46996, -89.33489
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 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length58 ft (17.7 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Gils RD - TR 179 over Little Mackinaw Rive built?

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

What condition is Gils RD - TR 179 over Little Mackinaw Rive 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 2024.

How much traffic does Gils RD - TR 179 over Little Mackinaw Rive carry?

About 50 vehicles per day (2023 count).

How long is Gils RD - TR 179 over Little Mackinaw Rive?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns Gils RD - TR 179 over Little Mackinaw Rive?

It is owned by the Town or Township Highway Agency.