US Bridges

TR-15 over Clear Creek Ditch

Fair

Alexander County, Illinois · SW 1/4 SEC1 T14S R3W · Structure no. 002302100000000

Built
1944
81 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
3 main spans
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-15 over Clear Creek Ditch is a steel continuous stringer/multi-beam or girder carrying TR-15 over Clear Creek Ditch in Alexander County, Illinois. It was built in 1944, so it is 81 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 6 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 20% of them trucks, projected to reach 25 by 2046. The structure is 169 ft (51.4 m) long and 22 ft wide.

Location

Open in Google Maps
CarriesTR-15
CrossesClear Creek Ditch
LocationSW 1/4 SEC1 T14S R3W
RouteCounty Highway 0
CountyAlexander County
StateIllinois
Coordinates37.32041, -89.39401
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42.9 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length169 ft (51.4 m)
Longest span65 ft (19.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2046
Trucks20%
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-15 over Clear Creek Ditch built?

It was built in 1944, making it 81 years old in 2025.

What condition is TR-15 over Clear Creek Ditch 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 September 2023.

How much traffic does TR-15 over Clear Creek Ditch carry?

About 25 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is TR-15 over Clear Creek Ditch?

The structure is 169 ft (51.4 m) long with a longest span of 65 ft (19.8 m) and a deck 22 ft wide.

Who owns TR-15 over Clear Creek Ditch?

It is owned by the Town or Township Highway Agency.