US Bridges

FAP-776 (ILL-142) over Trib Contrary Creek

Good

Hamilton County, Illinois · Ncl of Broughton · Structure no. 033004200000000

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-776 (ILL-142) over Trib Contrary Creek is a concrete continuous culvert carrying FAP-776 (ILL-142) over Trib Contrary Creek in Hamilton County, Illinois. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 18% of them trucks, projected to reach 1,616 by 2046. The structure is 23 ft (6.9 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesFAP-776 (ILL-142)
CrossesTrib Contrary Creek
LocationNcl of Broughton
RouteState Highway 142
Coordinates37.94215, -88.46389
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: 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 rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.3 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic1,616 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP-776 (ILL-142) over Trib Contrary Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAP-776 (ILL-142) over Trib Contrary Creek 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 August 2024.

How much traffic does FAP-776 (ILL-142) over Trib Contrary Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAP-776 (ILL-142) over Trib Contrary Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.3 m) and a deck 43 ft wide.

Who owns FAP-776 (ILL-142) over Trib Contrary Creek?

It is owned by the State Highway Agency.