US Bridges

TR-161 over Creek

Fair

Crawford County, Illinois · N Robinson Airport · Structure no. 017331800000000

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
250
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-161 over Creek is a concrete channel beam carrying TR-161 over Creek in Crawford County, Illinois. It was built in 1976, so it is 49 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 5 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 253 by 2046. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTR-161
CrossesCreek
LocationN Robinson Airport
RouteCounty Highway 0
CountyCrawford County
StateIllinois
Coordinates39.0224, -87.65274
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-161 over Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is TR-161 over Creek 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 February 2023.

How much traffic does TR-161 over Creek carry?

About 250 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR-161 over Creek?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns TR-161 over Creek?

It is owned by the Town or Township Highway Agency.