US Bridges

TR 123 over Nashville Creek

Fair

Washington County, Illinois · 2 MI N-1.25 MI W Nas · Structure no. 095306300000000

Built
1920
105 years old, rebuilt 1970
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
35 ft
1 main span
Daily traffic
700
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 123 over Nashville Creek is a concrete channel beam carrying TR 123 over Nashville Creek in Washington County, Illinois. It was built in 1920 and reconstructed in 1970, so it is 105 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 726 by 2046. The structure is 35 ft (10.7 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 123
CrossesNashville Creek
Location2 MI N-1.25 MI W Nas
RouteCounty Highway 0
Coordinates38.37636, -89.39611
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic726 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 123 over Nashville Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1970.

What condition is TR 123 over Nashville 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 April 2023.

How much traffic does TR 123 over Nashville Creek carry?

About 700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is TR 123 over Nashville Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 19 ft wide.

Who owns TR 123 over Nashville Creek?

It is owned by the Town or Township Highway Agency.