US Bridges

TR 45 over Trib to Plum Ck

Fair

Randolph County, Illinois · 2.5 MI E of Baldwin · Structure no. 079412000000000

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 45 over Trib to Plum Ck is a prestressed concrete box beam or girders - multiple carrying TR 45 over Trib to Plum Ck in Randolph County, Illinois. It was built in 1980, so it is 45 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 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 16% of them trucks, projected to reach 25 by 2046. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 45
CrossesTrib to Plum Ck
Location2.5 MI E of Baldwin
RouteCounty Highway 0
Coordinates38.1762, -89.7904
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 protection8 Very GoodNo problems noted.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks16%
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 45 over Trib to Plum Ck built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 45 over Trib to Plum Ck 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 45 over Trib to Plum Ck carry?

About 25 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is TR 45 over Trib to Plum Ck?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns TR 45 over Trib to Plum Ck?

It is owned by the Town or Township Highway Agency.