US Bridges

Cth D over Blockhouse Branch

Good

Grant County, Wisconsin · 1.9M S JCT Ush 151 · Structure no. B22018200000000

Built
1998
27 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,085
2022 count
Owner
County
County Highway Agency

About this bridge

Cth D over Blockhouse Branch is a prestressed concrete stringer/multi-beam or girder carrying Cth D over Blockhouse Branch in Grant County, Wisconsin. It was built in 1998, so it is 27 years old, younger 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 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 1,085 vehicles a day, projected to reach 1,193 by 2043. The structure is 75 ft (22.8 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesCth D
CrossesBlockhouse Branch
Location1.9M S JCT Ush 151
RouteCounty Highway 0D
CountyGrant County
StateWisconsin
Coordinates42.68578, -90.48633
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.8 m)
Longest span72 ft (22 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,085 (2022)
Projected traffic1,193 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth D over Blockhouse Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Cth D over Blockhouse Branch 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 September 2024.

How much traffic does Cth D over Blockhouse Branch carry?

About 1,085 vehicles per day (2022 count).

How long is Cth D over Blockhouse Branch?

The structure is 75 ft (22.8 m) long with a longest span of 72 ft (22 m) and a deck 31 ft wide.

Who owns Cth D over Blockhouse Branch?

It is owned by the County Highway Agency.