US Bridges

TR 123A over Walnut CR Tributary

PoorPosted for load

Pike County, Illinois · 1.0 MI N Hull · Structure no. 075307900000000

Built
1920
105 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 123A over Walnut CR Tributary is a steel stringer/multi-beam or girder carrying TR 123A over Walnut CR Tributary in Pike County, Illinois. It was built in 1920, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 8% of them trucks, projected to reach 29 by 2046. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTR 123A
CrossesWalnut CR Tributary
Location1.0 MI N Hull
RouteCounty Highway 0
Coordinates39.72767, -91.19323
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating9.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic29 by 2046
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 123A over Walnut CR Tributary built?

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

What condition is TR 123A over Walnut CR Tributary in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does TR 123A over Walnut CR Tributary carry?

About 25 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is TR 123A over Walnut CR Tributary?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns TR 123A over Walnut CR Tributary?

It is owned by the Town or Township Highway Agency.