US Bridges

TR 465 18S over Clear Creek

Good

Sangamon County, Illinois · 3.5 SE of Pawnee · Structure no. 084320300000000

Built
1965
60 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
37 ft
1 main span
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 465 18S over Clear Creek is a concrete continuous slab carrying TR 465 18S over Clear Creek in Sangamon 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 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, roughly 8% of them trucks, projected to reach 303 by 2046. The structure is 37 ft (11.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 465 18S
CrossesClear Creek
Location3.5 SE of Pawnee
RouteCounty Highway 0
Coordinates39.5391, -89.53394
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length37 ft (11.2 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic303 by 2046
Trucks8%
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 465 18S over Clear Creek built?

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

What condition is TR 465 18S over Clear 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 March 2023.

How much traffic does TR 465 18S over Clear Creek carry?

About 25 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is TR 465 18S over Clear Creek?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns TR 465 18S over Clear Creek?

It is owned by the Town or Township Highway Agency.