US Bridges

TR-185 over Brush Creek

Fair

Crawford County, Illinois · 2 MI SE Oblong · Structure no. 017374400000000

Built
1989
36 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
400
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-185 over Brush Creek is a concrete continuous slab carrying TR-185 over Brush Creek in Crawford County, Illinois. It was built in 1989, so it is 36 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 404 by 2046. The structure is 63 ft (19.1 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTR-185
CrossesBrush Creek
Location2 MI SE Oblong
RouteCounty Highway 0
Coordinates38.98234, -87.87147
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span23 ft (6.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic404 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-185 over Brush Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR-185 over Brush 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 2023.

How much traffic does TR-185 over Brush Creek carry?

About 400 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is TR-185 over Brush Creek?

The structure is 63 ft (19.1 m) long with a longest span of 23 ft (6.9 m) and a deck 26 ft wide.

Who owns TR-185 over Brush Creek?

It is owned by the Town or Township Highway Agency.