US Bridges

TR 18 over Mole Creek

Good

Livingston County, Illinois · 2350 N 400 E · Structure no. 053410200000000

Built
1989
36 years old
Condition
Good
inspected July 2021
Type
Channel Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 18 over Mole Creek is a concrete channel beam carrying TR 18 over Mole Creek in Livingston 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 good condition with a lowest component rating of 8 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 24% of them trucks, projected to reach 126 by 2046. The structure is 86 ft (26.2 m) long and 26 ft wide.

CarriesTR 18
CrossesMole Creek
Location2350 N 400 E
RouteCounty Highway 0
Coordinates40.96546, -88.85414
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic126 by 2046
Trucks24%
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 18 over Mole Creek built?

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

What condition is TR 18 over Mole 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 July 2021.

How much traffic does TR 18 over Mole Creek carry?

About 150 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is TR 18 over Mole Creek?

The structure is 86 ft (26.2 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 18 over Mole Creek?

It is owned by the Town or Township Highway Agency.