US Bridges

TR 129 over Little Galum CR

Fair

Perry County, Illinois · On TR 129 W of ILL13 · Structure no. 073313700000000

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
150
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 129 over Little Galum CR is a prestressed concrete box beam or girders - multiple carrying TR 129 over Little Galum CR in Perry County, Illinois. It was built in 1986, so it is 39 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 150 vehicles a day, roughly 33% of them trucks, projected to reach 177 by 2046. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 129
CrossesLittle Galum CR
LocationOn TR 129 W of ILL13
RouteCounty Highway 0
CountyPerry County
StateIllinois
Coordinates38.09935, -89.44387
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.
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 inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic177 by 2046
Trucks33%
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 TR 129 over Little Galum CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 129 over Little Galum CR 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 129 over Little Galum CR carry?

About 150 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is TR 129 over Little Galum CR?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns TR 129 over Little Galum CR?

It is owned by the Town or Township Highway Agency.