US Bridges

TR 136 over Court Creek

Good

Knox County, Illinois · NE-22-T11NR2E · Structure no. 048338400000000

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
150
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 136 over Court Creek is a prestressed concrete box beam or girders - multiple carrying TR 136 over Court Creek in Knox County, Illinois. It was built in 2004, so it is 21 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 150 vehicles a day, roughly 34% of them trucks, projected to reach 202 by 2046. The structure is 92 ft (27.9 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 136
CrossesCourt Creek
LocationNE-22-T11NR2E
RouteCounty Highway 0
Coordinates40.93307, -90.25504
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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than 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 length92 ft (27.9 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic202 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 136 over Court Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is TR 136 over Court 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 2024.

How much traffic does TR 136 over Court Creek carry?

About 150 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is TR 136 over Court Creek?

The structure is 92 ft (27.9 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns TR 136 over Court Creek?

It is owned by the Town or Township Highway Agency.