US Bridges

TR 185 over Snake Creek

Good

Edgar County, Illinois · 2.5 MI N Twin Lakes · Structure no. 023481100000000

Built
1981
44 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
25
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 185 over Snake Creek is a concrete culvert carrying TR 185 over Snake Creek in Edgar County, Illinois. It was built in 1981, so it is 44 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 28 ft (8.5 m) long.

CarriesTR 185
CrossesSnake Creek
Location2.5 MI N Twin Lakes
RouteCounty Highway 0
Coordinates39.67328, -87.68762
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic25 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Snake Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 185 over Snake Creek 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 September 2024.

How much traffic does TR 185 over Snake Creek carry?

About 25 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is TR 185 over Snake Creek?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m).

Who owns TR 185 over Snake Creek?

It is owned by the Town or Township Highway Agency.