US Bridges

Township RD No 187 over Hammond Br Plum Riv

FairPosted for load

Jo Daviess County, Illinois · 4 MI So of Stockton · Structure no. 043314700000000

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township RD No 187 over Hammond Br Plum Riv is a steel stringer/multi-beam or girder carrying Township RD No 187 over Hammond Br Plum Riv in Jo Daviess County, Illinois. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTownship RD No 187
CrossesHammond Br Plum Riv
Location4 MI So of Stockton
RouteCounty Highway 0
Coordinates42.29875, -90.01102
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: 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 rating22.2 US tons
Inventory rating13.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 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 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 Township RD No 187 over Hammond Br Plum Riv built?

It was built in 1963, making it 62 years old in 2025.

What condition is Township RD No 187 over Hammond Br Plum Riv 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 October 2023.

How much traffic does Township RD No 187 over Hammond Br Plum Riv carry?

About 75 vehicles per day (2021 count).

How long is Township RD No 187 over Hammond Br Plum Riv?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns Township RD No 187 over Hammond Br Plum Riv?

It is owned by the Town or Township Highway Agency.