US Bridges

Lrd Boston RD (dea over French Creek

Good

St. Croix County, Wisconsin · 0.7M E JCT Cth B · Structure no. B55009000000000

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
30
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Boston RD (dea over French Creek is a prestressed concrete stringer/multi-beam or girder carrying Lrd Boston RD (dea over French Creek in St. Croix County, Wisconsin. It was built in 1983, so it is 42 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 31 by 2043. The structure is 68 ft (20.6 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesLrd Boston RD (dea
CrossesFrench Creek
Location0.7M E JCT Cth B
RouteCity Street 0
CountySt. Croix County
StateWisconsin
Coordinates44.86721, -92.26296
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length68 ft (20.6 m)
Longest span65 ft (19.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic31 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Lrd Boston RD (dea over French Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Lrd Boston RD (dea over French 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 2024.

How much traffic does Lrd Boston RD (dea over French Creek carry?

About 30 vehicles per day (2022 count).

How long is Lrd Boston RD (dea over French Creek?

The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.

Who owns Lrd Boston RD (dea over French Creek?

It is owned by the Town or Township Highway Agency.