US Bridges

TR 74(HIBBARD Rd) over Willow Branch

Fair

Macon County, Illinois · 2.3 MI SW Macon · Structure no. 058323200000000

Built
1909
116 years old, rebuilt 1976
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 74(HIBBARD Rd) over Willow Branch is a prestressed concrete box beam or girders - multiple carrying TR 74(HIBBARD Rd) over Willow Branch in Macon County, Illinois. It was built in 1909 and reconstructed in 1976, so it is 116 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 101 by 2046. The structure is 49 ft (14.9 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 74(HIBBARD Rd)
CrossesWillow Branch
Location2.3 MI SW Macon
RouteCounty Highway 0
CountyMacon County
StateIllinois
Coordinates39.67682, -89.01581
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 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 74(HIBBARD Rd) over Willow Branch built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1976.

What condition is TR 74(HIBBARD Rd) over Willow Branch 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 December 2023.

How much traffic does TR 74(HIBBARD Rd) over Willow Branch carry?

About 100 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is TR 74(HIBBARD Rd) over Willow Branch?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 21 ft wide.

Who owns TR 74(HIBBARD Rd) over Willow Branch?

It is owned by the Town or Township Highway Agency.