US Bridges

TR 158 over Trib to Salt Creek

Fair

Logan County, Illinois · 4 MI S of Lincoln · Structure no. 054431200000000

Built
2008
17 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 158 over Trib to Salt Creek is a prestressed concrete box beam or girders - multiple carrying TR 158 over Trib to Salt Creek in Logan County, Illinois. It was built in 2008, so it is 17 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 75 vehicles a day, roughly 29% of them trucks, projected to reach 79 by 2046. The structure is 59 ft (17.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 158
CrossesTrib to Salt Creek
Location4 MI S of Lincoln
RouteCounty Highway 0
Coordinates40.07755, -89.37121
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span56 ft (17 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic79 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 158 over Trib to Salt Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is TR 158 over Trib to Salt Creek 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 December 2024.

How much traffic does TR 158 over Trib to Salt Creek carry?

About 75 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is TR 158 over Trib to Salt Creek?

The structure is 59 ft (17.9 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.

Who owns TR 158 over Trib to Salt Creek?

It is owned by the Town or Township Highway Agency.