US Bridges

Twp RD No 187 over No Fork Plum River

Good

Jo Daviess County, Illinois · 5 MI SW of Stockton · Structure no. 043324100000000

Built
1986
39 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Twp RD No 187 over No Fork Plum River is a prestressed concrete box beam or girders - multiple carrying Twp RD No 187 over No Fork Plum River in Jo Daviess County, Illinois. It was built in 1986, so it is 39 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 70 ft (21.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTwp RD No 187
CrossesNo Fork Plum River
Location5 MI SW of Stockton
RouteCounty Highway 0
Coordinates42.29913, -90.06303
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Twp RD No 187 over No Fork Plum River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Twp RD No 187 over No Fork Plum River 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 October 2022.

How much traffic does Twp RD No 187 over No Fork Plum River carry?

About 75 vehicles per day (2021 count).

How long is Twp RD No 187 over No Fork Plum River?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Twp RD No 187 over No Fork Plum River?

It is owned by the Town or Township Highway Agency.