US Bridges

TR 77A over Davis Creek

Fair

Kankakee County, Illinois · 1 MI W of Bourbonais · Structure no. 046329100000000

Built
1967
58 years old, rebuilt 2023
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
1,050
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 77A over Davis Creek is a concrete channel beam carrying TR 77A over Davis Creek in Kankakee County, Illinois. It was built in 1967 and reconstructed in 2023, so it is 58 years old, older 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 1,050 vehicles a day, roughly 3% of them trucks, projected to reach 1,071 by 2046. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 77A
CrossesDavis Creek
Location1 MI W of Bourbonais
RouteCounty Highway 0
Coordinates41.16358, -87.91902
Functional classUrban 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2021)
Projected traffic1,071 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 TR 77A over Davis Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2023.

What condition is TR 77A over Davis Creek 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 April 2024.

How much traffic does TR 77A over Davis Creek carry?

About 1,050 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is TR 77A over Davis Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns TR 77A over Davis Creek?

It is owned by the Town or Township Highway Agency.