US Bridges

Ill RTE 13 over Trib-Piles Fork Crk.

Fair

Jackson County, Illinois · 0.1M W.Univ.Mall Ent · Structure no. 039202000000000

Built
1948
77 years old, rebuilt 1984
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
25,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill RTE 13 over Trib-Piles Fork Crk. is a concrete continuous culvert carrying Ill RTE 13 over Trib-Piles Fork Crk. in Jackson County, Illinois. It was built in 1948 and reconstructed in 1984, so it is 77 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 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 25,500 vehicles a day, roughly 5% of them trucks, projected to reach 23,028 by 2046. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIll RTE 13
CrossesTrib-Piles Fork Crk.
Location0.1M W.Univ.Mall Ent
RouteState Highway 13
Coordinates37.72999, -89.19442
Functional classUrban Other Principal Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2023)
Projected traffic23,028 by 2046
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill RTE 13 over Trib-Piles Fork Crk. built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1984.

What condition is Ill RTE 13 over Trib-Piles Fork Crk. 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 2023.

How much traffic does Ill RTE 13 over Trib-Piles Fork Crk. carry?

About 25,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill RTE 13 over Trib-Piles Fork Crk.?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Ill RTE 13 over Trib-Piles Fork Crk.?

It is owned by the State Highway Agency.