US Bridges

FAP-332 (ILL-1) over Bonpas Creek

Fair

Wabash County, Illinois · 1.5 MI SW Cowling · Structure no. 093000500000000

Built
1935
90 years old, rebuilt 2008
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
2 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-332 (ILL-1) over Bonpas Creek is a prestressed concrete box beam or girders - multiple carrying FAP-332 (ILL-1) over Bonpas Creek in Wabash County, Illinois. It was built in 1935 and reconstructed in 2008, so it is 90 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 2,100 vehicles a day, roughly 25% of them trucks, projected to reach 2,071 by 2046. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesFAP-332 (ILL-1)
CrossesBonpas Creek
Location1.5 MI SW Cowling
RouteState Highway 1
CountyWabash County
StateIllinois
Coordinates38.29798, -87.95495
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length128 ft (39 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,071 by 2046
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$570,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP-332 (ILL-1) over Bonpas Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2008.

What condition is FAP-332 (ILL-1) over Bonpas 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 September 2023.

How much traffic does FAP-332 (ILL-1) over Bonpas Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is FAP-332 (ILL-1) over Bonpas Creek?

The structure is 128 ft (39 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns FAP-332 (ILL-1) over Bonpas Creek?

It is owned by the State Highway Agency.