US Bridges

TR 167 over Grassy Branch

Fair

Clinton County, Illinois · 2MI. N.W. Gtown · Structure no. 014308000000000

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
450
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 167 over Grassy Branch is a concrete channel beam carrying TR 167 over Grassy Branch in Clinton County, Illinois. It was built in 1968, so it is 57 years old, older 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 495 by 2046. The structure is 36 ft (11 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 167
CrossesGrassy Branch
Location2MI. N.W. Gtown
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.56808, -89.57244
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic495 by 2046
Trucks10%
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 167 over Grassy Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is TR 167 over Grassy Branch 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 2025.

How much traffic does TR 167 over Grassy Branch carry?

About 450 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is TR 167 over Grassy Branch?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 23 ft wide.

Who owns TR 167 over Grassy Branch?

It is owned by the Town or Township Highway Agency.