US Bridges

TR 5 (11N) over Wolf Creek

Fair

Sangamon County, Illinois · 1.5 NE Williamsville · Structure no. 084345400000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
117 ft
3 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 5 (11N) over Wolf Creek is a prestressed concrete box beam or girders - multiple carrying TR 5 (11N) over Wolf Creek in Sangamon County, Illinois. It was built in 1977, so it is 48 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 75 vehicles a day, roughly 3% of them trucks, projected to reach 101 by 2046. The structure is 117 ft (35.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 5 (11N)
CrossesWolf Creek
Location1.5 NE Williamsville
RouteCounty Highway 0
Coordinates39.96201, -89.51806
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
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 rating50.4 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length117 ft (35.7 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic101 by 2046
Trucks3%
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 5 (11N) over Wolf Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR 5 (11N) over Wolf 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 March 2023.

How much traffic does TR 5 (11N) over Wolf Creek carry?

About 75 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is TR 5 (11N) over Wolf Creek?

The structure is 117 ft (35.7 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns TR 5 (11N) over Wolf Creek?

It is owned by the Town or Township Highway Agency.