US Bridges

TR 380 a over Sugar Creek

Fair

Iroquois County, Illinois · .5 M N Ch 9 · Structure no. 038555200000000

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 380 a over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying TR 380 a over Sugar Creek in Iroquois County, Illinois. It was built in 1988, so it is 37 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, projected to reach 51 by 2046. The structure is 178 ft (54.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 380 a
CrossesSugar Creek
Location.5 M N Ch 9
RouteCounty Highway 0
Coordinates40.62794, -87.61501
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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 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 380 a over Sugar Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is TR 380 a 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 June 2024.

How much traffic does TR 380 a over Sugar Creek carry?

About 50 vehicles per day (2022 count).

How long is TR 380 a over Sugar Creek?

The structure is 178 ft (54.3 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns TR 380 a over Sugar Creek?

It is owned by the Town or Township Highway Agency.