US Bridges

TR 38 over Prairie Ck

Poor

Logan County, Illinois · 4 S 3 MI E San Jose · Structure no. 054540800000000

Built
1954
71 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 38 over Prairie Ck is a concrete continuous slab carrying TR 38 over Prairie Ck in Logan County, Illinois. It was built in 1954, so it is 71 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 4 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.

It carries about 50 vehicles a day, roughly 12% of them trucks, projected to reach 53 by 2046. The structure is 61 ft (18.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 38
CrossesPrairie Ck
Location4 S 3 MI E San Jose
RouteCounty Highway 0
Coordinates40.24822, -89.54475
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length61 ft (18.6 m)
Longest span23 ft (7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic53 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 38 over Prairie Ck built?

It was built in 1954, making it 71 years old in 2025.

What condition is TR 38 over Prairie Ck 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 December 2024.

How much traffic does TR 38 over Prairie Ck carry?

About 50 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is TR 38 over Prairie Ck?

The structure is 61 ft (18.6 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns TR 38 over Prairie Ck?

It is owned by the Town or Township Highway Agency.