US Bridges

TR 45 over Prairie Creek Tributary

Fair

Logan County, Illinois · 3.0 MI W of I-155 · Structure no. 054545000000000

Built
1957
68 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 45 over Prairie Creek Tributary is a concrete culvert carrying TR 45 over Prairie Creek Tributary in Logan County, Illinois. It was built in 1957, so it is 68 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 100 vehicles a day, roughly 17% of them trucks, projected to reach 53 by 2046. The structure is 26 ft (7.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 45
CrossesPrairie Creek Tributary
Location3.0 MI W of I-155
RouteCounty Highway 0
CountyLogan County
StateIllinois
Coordinates40.23394, -89.51675
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic53 by 2046
Trucks17%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 45 over Prairie Creek Tributary built?

It was built in 1957, making it 68 years old in 2025.

What condition is TR 45 over Prairie Creek Tributary 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 2024.

How much traffic does TR 45 over Prairie Creek Tributary carry?

About 100 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is TR 45 over Prairie Creek Tributary?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns TR 45 over Prairie Creek Tributary?

It is owned by the Town or Township Highway Agency.