US Bridges

TR-11 over Sugar Creek

Fair

Lawrence County, Illinois · 4 MI E Birds · Structure no. 051304400000000

Built
1931
94 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-11 over Sugar Creek is a concrete slab carrying TR-11 over Sugar Creek in Lawrence County, Illinois. It was built in 1931, so it is 94 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 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 8% of them trucks, projected to reach 51 by 2046. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR-11
CrossesSugar Creek
Location4 MI E Birds
RouteCounty Highway 0
CountyLawrence County
StateIllinois
Coordinates38.84807, -87.60088
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be 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 rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks8%
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-11 over Sugar Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is TR-11 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 2024.

How much traffic does TR-11 over Sugar Creek carry?

About 50 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR-11 over Sugar Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns TR-11 over Sugar Creek?

It is owned by the Town or Township Highway Agency.