US Bridges

TR 74 over Wolf Run Creek

Fair

Scott County, Illinois · 1 MI E Bluffs · Structure no. 086370800000000

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 74 over Wolf Run Creek is a concrete channel beam carrying TR 74 over Wolf Run Creek in Scott County, Illinois. It was built in 1965, so it is 60 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 76 by 2046. The structure is 86 ft (26.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 74
CrossesWolf Run Creek
Location1 MI E Bluffs
RouteCounty Highway 0
CountyScott County
StateIllinois
Coordinates39.74928, -90.52216
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
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 rating57.9 US tons
Inventory rating28.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length86 ft (26.2 m)
Longest span27 ft (8.3 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks13%
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 74 over Wolf Run Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 74 over Wolf Run 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 TR 74 over Wolf Run Creek carry?

About 75 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is TR 74 over Wolf Run Creek?

The structure is 86 ft (26.2 m) long with a longest span of 27 ft (8.3 m) and a deck 26 ft wide.

Who owns TR 74 over Wolf Run Creek?

It is owned by the Town or Township Highway Agency.