US Bridges

TR 185 over Dutch Creek Trib

Good

Union County, Illinois · SW1/4 SEC26 T12S R2W · Structure no. 091321300000000

Built
2002
23 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
150
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 185 over Dutch Creek Trib is a prestressed concrete box beam or girders - multiple carrying TR 185 over Dutch Creek Trib in Union County, Illinois. It was built in 2002, so it is 23 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 152 by 2046. The structure is 52 ft (15.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 185
CrossesDutch Creek Trib
LocationSW1/4 SEC26 T12S R2W
RouteCounty Highway 0
Coordinates37.44239, -89.30575
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks6%
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 185 over Dutch Creek Trib built?

It was built in 2002, making it 23 years old in 2025.

What condition is TR 185 over Dutch Creek Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does TR 185 over Dutch Creek Trib carry?

About 150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is TR 185 over Dutch Creek Trib?

The structure is 52 ft (15.9 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns TR 185 over Dutch Creek Trib?

It is owned by the Town or Township Highway Agency.