US Bridges

TR 149 over Felky Slough

Good

Livingston County, Illinois · 2290 E 1500 N · Structure no. 053406600000000

Built
1982
43 years old
Condition
Good
inspected June 2022
Type
Channel Beam
Concrete
Length
96 ft
3 main spans
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 149 over Felky Slough is a concrete channel beam carrying TR 149 over Felky Slough in Livingston County, Illinois. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 30% of them trucks, projected to reach 101 by 2046. The structure is 96 ft (29.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 149
CrossesFelky Slough
Location2290 E 1500 N
RouteCounty Highway 0
Coordinates40.84643, -88.49098
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 protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to 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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 149 over Felky Slough built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 149 over Felky Slough 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 June 2022.

How much traffic does TR 149 over Felky Slough carry?

About 100 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is TR 149 over Felky Slough?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns TR 149 over Felky Slough?

It is owned by the Town or Township Highway Agency.