US Bridges

TR 5 (020 Inv.Co) over N.Fork Salt Creek

Good

McLean County, Illinois · 4.0 MI S Leroy · Structure no. 057442800000000

Built
1997
28 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
161 ft
4 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 5 (020 Inv.Co) over N.Fork Salt Creek is a concrete continuous slab carrying TR 5 (020 Inv.Co) over N.Fork Salt Creek in McLean 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 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 76 by 2046. The structure is 161 ft (49 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 5 (020 Inv.Co)
CrossesN.Fork Salt Creek
Location4.0 MI S Leroy
RouteCounty Highway 0
Coordinates40.28244, -88.77262
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length161 ft (49 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks1%
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

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 5 (020 Inv.Co) over N.Fork Salt Creek built?

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

What condition is TR 5 (020 Inv.Co) over N.Fork Salt Creek 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 March 2021.

How much traffic does TR 5 (020 Inv.Co) over N.Fork Salt Creek carry?

About 75 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is TR 5 (020 Inv.Co) over N.Fork Salt Creek?

The structure is 161 ft (49 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns TR 5 (020 Inv.Co) over N.Fork Salt Creek?

It is owned by the Town or Township Highway Agency.