US Bridges

TR 261 over Hickory Grove Creek

Fair

Edgar County, Illinois · 1.75 MI W of Dudley · Structure no. 023471700000000

Built
1987
38 years old
Condition
Fair
inspected December 2024
Type
Slab
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 261 over Hickory Grove Creek is a wood or timber slab carrying TR 261 over Hickory Grove Creek in Edgar County, Illinois. It was built in 1987, so it is 38 years old, younger 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTR 261
CrossesHickory Grove Creek
Location1.75 MI W of Dudley
RouteCounty Highway 0
CountyEdgar County
StateIllinois
Coordinates39.57008, -87.88446
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic51 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 261 over Hickory Grove Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is TR 261 over Hickory Grove 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 December 2024.

How much traffic does TR 261 over Hickory Grove Creek carry?

About 50 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is TR 261 over Hickory Grove Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 26 ft wide.

Who owns TR 261 over Hickory Grove Creek?

It is owned by the Town or Township Highway Agency.