US Bridges

TR 138 over Trib to Prairie Ck

Good

Iroquois County, Illinois · 1200E 2410N · Structure no. 038325200000000

Built
1985
40 years old
Condition
Good
inspected April 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 138 over Trib to Prairie Ck is a prestressed concrete box beam or girders - multiple carrying TR 138 over Trib to Prairie Ck in Iroquois County, Illinois. It was built in 1985, so it is 40 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 138
CrossesTrib to Prairie Ck
Location1200E 2410N
RouteCounty Highway 0
Coordinates40.85853, -87.9034
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 inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 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 138 over Trib to Prairie Ck built?

It was built in 1985, making it 40 years old in 2025.

What condition is TR 138 over Trib to Prairie Ck 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 2021.

How much traffic does TR 138 over Trib to Prairie Ck carry?

About 25 vehicles per day (2022 count).

How long is TR 138 over Trib to Prairie Ck?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns TR 138 over Trib to Prairie Ck?

It is owned by the Town or Township Highway Agency.