US Bridges

TR 24 over Ellison CR

Good

Warren County, Illinois · S1/2-20-T9NR3W · Structure no. 094510100000000

Built
1900
125 years old, rebuilt 1977
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
25
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 24 over Ellison CR is a prestressed concrete box beam or girders - multiple carrying TR 24 over Ellison CR in Warren County, Illinois. It was built in 1900 and reconstructed in 1977, so it is 125 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, projected to reach 25 by 2046. The structure is 37 ft (11.3 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 24
CrossesEllison CR
LocationS1/2-20-T9NR3W
RouteCounty Highway 0
Coordinates40.75148, -90.75983
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
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 24 over Ellison CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1977.

What condition is TR 24 over Ellison CR 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 January 2025.

How much traffic does TR 24 over Ellison CR carry?

About 25 vehicles per day (2016 count).

How long is TR 24 over Ellison CR?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 22 ft wide.

Who owns TR 24 over Ellison CR?

It is owned by the Town or Township Highway Agency.