US Bridges

TR 76 over Flat Branch

Good

Coles County, Illinois · 1.0 MI W Humbolt · Structure no. 015343900000000

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
125
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 76 over Flat Branch is a prestressed concrete box beam or girders - multiple carrying TR 76 over Flat Branch in Coles County, Illinois. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 12% of them trucks, projected to reach 200 by 2046. The structure is 87 ft (26.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 76
CrossesFlat Branch
Location1.0 MI W Humbolt
RouteCounty Highway 0
Coordinates39.60093, -88.34081
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior 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 rating64.6 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length87 ft (26.5 m)
Longest span84 ft (25.5 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic200 by 2046
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 76 over Flat Branch built?

It was built in 2024, making it 1 years old in 2025.

What condition is TR 76 over Flat Branch 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 December 2024.

How much traffic does TR 76 over Flat Branch carry?

About 125 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is TR 76 over Flat Branch?

The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.5 m) and a deck 27 ft wide.

Who owns TR 76 over Flat Branch?

It is owned by the Town or Township Highway Agency.