US Bridges

TR 25 over Harris Creek

Fair

Hardin County, Illinois · NW Q Sec 15 T11S R9E · Structure no. 035300500000000

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 25 over Harris Creek is a concrete channel beam carrying TR 25 over Harris Creek in Hardin County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25 vehicles a day, roughly 28% of them trucks, projected to reach 25 by 2046. The structure is 90 ft (27.4 m) long and 23 ft wide.

CarriesTR 25
CrossesHarris Creek
LocationNW Q Sec 15 T11S R9E
RouteCounty Highway 0
Coordinates37.5646, -88.20827
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span32 ft (9.8 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2046
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 25 over Harris Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is TR 25 over Harris Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does TR 25 over Harris Creek carry?

About 25 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is TR 25 over Harris Creek?

The structure is 90 ft (27.4 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns TR 25 over Harris Creek?

It is owned by the Town or Township Highway Agency.