US Bridges

TR 498 over Wihppoorwill Branch

Good

Vermilion County, Illinois · 5 Mi. E. of Gtown · Structure no. 092991000000000

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
125
2023 count
Owner
Private
Private (other than railroad)

About this bridge

TR 498 over Wihppoorwill Branch is a prestressed concrete box beam or girders - multiple carrying TR 498 over Wihppoorwill Branch in Vermilion County, Illinois. It was built in 2018, so it is 7 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 8 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 3% of them trucks, projected to reach 101 by 2046. The structure is 67 ft (20.3 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesTR 498
CrossesWihppoorwill Branch
Location5 Mi. E. of Gtown
RouteCounty Highway 0
CountyVermilion County
StateIllinois
Coordinates39.986, -87.53245
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.3 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic101 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
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 498 over Wihppoorwill Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is TR 498 over Wihppoorwill 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 August 2023.

How much traffic does TR 498 over Wihppoorwill Branch carry?

About 125 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is TR 498 over Wihppoorwill Branch?

The structure is 67 ft (20.3 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns TR 498 over Wihppoorwill Branch?

It is owned by the Private (other than railroad).