US Bridges

Ch 1 over W Branch North Fork

Fair

Vermilion County, Illinois · 2 MI N of Henning · Structure no. 092346500000000

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
425
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 1 over W Branch North Fork is a prestressed concrete box beam or girders - multiple carrying Ch 1 over W Branch North Fork in Vermilion County, Illinois. It was built in 1997, so it is 28 years old, younger 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 425 vehicles a day, roughly 5% of them trucks, projected to reach 556 by 2046. The structure is 103 ft (31.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 1
CrossesW Branch North Fork
Location2 MI N of Henning
RouteCounty Highway 0
Coordinates40.34559, -87.70267
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length103 ft (31.5 m)
Longest span59 ft (18 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic556 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 1 over W Branch North Fork built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ch 1 over W Branch North Fork 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 January 2024.

How much traffic does Ch 1 over W Branch North Fork carry?

About 425 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ch 1 over W Branch North Fork?

The structure is 103 ft (31.5 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns Ch 1 over W Branch North Fork?

It is owned by the County Highway Agency.