US Bridges

TR 75 over Island Creek

Good

Jasper County, Illinois · 1.5 MI NW Is Grove · Structure no. 040322700000000

Built
1998
27 years old
Condition
Good
inspected February 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
3 main spans
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 75 over Island Creek is a prestressed concrete box beam or girders - multiple carrying TR 75 over Island Creek in Jasper County, Illinois. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 102 by 2046. The structure is 76 ft (23.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 75
CrossesIsland Creek
Location1.5 MI NW Is Grove
RouteCounty Highway 0
Coordinates39.11839, -88.35485
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 inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length76 ft (23.3 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic102 by 2046
Trucks8%
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 75 over Island Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is TR 75 over Island 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 February 2021.

How much traffic does TR 75 over Island Creek carry?

About 100 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR 75 over Island Creek?

The structure is 76 ft (23.3 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns TR 75 over Island Creek?

It is owned by the Town or Township Highway Agency.