US Bridges

TR 58 over Prairie Creek

Good

Iroquois County, Illinois · 2.75 MI W Gilman · Structure no. 038405300000000

Built
1989
36 years old
Condition
Good
inspected April 2023
Type
Channel Beam
Concrete
Length
116 ft
3 main spans
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 58 over Prairie Creek is a concrete channel beam carrying TR 58 over Prairie Creek in Iroquois County, Illinois. It was built in 1989, so it is 36 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 116 ft (35.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 58
CrossesPrairie Creek
Location2.75 MI W Gilman
RouteCounty Highway 0
Coordinates40.79014, -88.01269
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length116 ft (35.5 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 58 over Prairie Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR 58 over Prairie 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 April 2023.

How much traffic does TR 58 over Prairie Creek carry?

About 25 vehicles per day (2022 count).

How long is TR 58 over Prairie Creek?

The structure is 116 ft (35.5 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns TR 58 over Prairie Creek?

It is owned by the Town or Township Highway Agency.