US Bridges

TR 151/ROCKY Ford over Sugar Creek

Fair

Clinton County, Illinois · 3 MI SE Trenton · Structure no. 014402500000000

Built
1983
42 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
119 ft
3 main spans
Daily traffic
425
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 151/ROCKY Ford over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying TR 151/ROCKY Ford over Sugar Creek in Clinton County, Illinois. It was built in 1983, so it is 42 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 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 425 vehicles a day, roughly 9% of them trucks, projected to reach 468 by 2046. The structure is 119 ft (36.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 151/ROCKY Ford
CrossesSugar Creek
Location3 MI SE Trenton
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.59408, -89.64568
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length119 ft (36.3 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2020)
Projected traffic468 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 151/ROCKY Ford over Sugar Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 151/ROCKY Ford over Sugar 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 January 2025.

How much traffic does TR 151/ROCKY Ford over Sugar Creek carry?

About 425 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is TR 151/ROCKY Ford over Sugar Creek?

The structure is 119 ft (36.3 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns TR 151/ROCKY Ford over Sugar Creek?

It is owned by the Town or Township Highway Agency.