US Bridges

Polecat RD - TR 20 over Laswell Creek

Good

Fulton County, Illinois · NW-16-T6NR2E · Structure no. 029409800000000

Built
2000
25 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Polecat RD - TR 20 over Laswell Creek is a prestressed concrete box beam or girders - multiple carrying Polecat RD - TR 20 over Laswell Creek in Fulton County, Illinois. It was built in 2000, so it is 25 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 66 ft (20 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPolecat RD - TR 20
CrossesLaswell Creek
LocationNW-16-T6NR2E
RouteCounty Highway 0
CountyFulton County
StateIllinois
Coordinates40.50933, -90.28445
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20 m)
Longest span63 ft (19.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks0%
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 Polecat RD - TR 20 over Laswell Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Polecat RD - TR 20 over Laswell Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does Polecat RD - TR 20 over Laswell Creek carry?

About 75 vehicles per day (2020 count).

How long is Polecat RD - TR 20 over Laswell Creek?

The structure is 66 ft (20 m) long with a longest span of 63 ft (19.2 m) and a deck 24 ft wide.

Who owns Polecat RD - TR 20 over Laswell Creek?

It is owned by the Town or Township Highway Agency.