US Bridges

Town Hall RD (TR23 over Br. Green River

Fair

Lee County, Illinois · 3 Mi. N. of US 30 · Structure no. 052464300000000

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Town Hall RD (TR23 over Br. Green River is a concrete channel beam carrying Town Hall RD (TR23 over Br. Green River in Lee County, Illinois. It was built in 1993, so it is 32 years old, younger 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 36 ft (10.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTown Hall RD (TR23
CrossesBr. Green River
Location3 Mi. N. of US 30
RouteCounty Highway 0
Coordinates41.80286, -89.11264
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2017)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Town Hall RD (TR23 over Br. Green River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Town Hall RD (TR23 over Br. Green River 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 2025.

How much traffic does Town Hall RD (TR23 over Br. Green River carry?

About 25 vehicles per day (2017 count).

How long is Town Hall RD (TR23 over Br. Green River?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns Town Hall RD (TR23 over Br. Green River?

It is owned by the Town or Township Highway Agency.