US Bridges

TR 517 over W Fork Salt CR

Good

McLean County, Illinois · 3.5 MI SE Downs · Structure no. 057422800000000

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 517 over W Fork Salt CR is a concrete culvert carrying TR 517 over W Fork Salt CR in McLean 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 3% of them trucks, projected to reach 76 by 2046. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 517
CrossesW Fork Salt CR
Location3.5 MI SE Downs
RouteCounty Highway 0
Coordinates40.34101, -88.82691
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 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 517 over W Fork Salt CR built?

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

What condition is TR 517 over W Fork Salt CR 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 July 2024.

How much traffic does TR 517 over W Fork Salt CR carry?

About 75 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is TR 517 over W Fork Salt CR?

The structure is 39 ft (11.9 m) long with a longest span of 11 ft (3.3 m).

Who owns TR 517 over W Fork Salt CR?

It is owned by the Town or Township Highway Agency.