US Bridges

TR 254 over Ash Grove Ditch

Fair

Mason County, Illinois · 3.5 MI NW San Jose · Structure no. 063370300000000

Built
1976
49 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 254 over Ash Grove Ditch is a prestressed concrete box beam or girders - multiple carrying TR 254 over Ash Grove Ditch in Mason 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 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 25 vehicles a day, roughly 12% of them trucks, projected to reach 25 by 2046. The structure is 61 ft (18.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 254
CrossesAsh Grove Ditch
Location3.5 MI NW San Jose
RouteCounty Highway 0
Coordinates40.30922, -89.6782
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length61 ft (18.7 m)
Longest span57 ft (17.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks12%
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 254 over Ash Grove Ditch built?

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

What condition is TR 254 over Ash Grove Ditch 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 254 over Ash Grove Ditch carry?

About 25 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is TR 254 over Ash Grove Ditch?

The structure is 61 ft (18.7 m) long with a longest span of 57 ft (17.5 m) and a deck 26 ft wide.

Who owns TR 254 over Ash Grove Ditch?

It is owned by the Town or Township Highway Agency.