US Bridges

Ush 61 over Gregory Branch

Fair

Grant County, Wisconsin · 1.0M N JCT Cth E · Structure no. B22070200000000

Built
1940
85 years old, rebuilt 1994
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 61 over Gregory Branch is a concrete slab carrying Ush 61 over Gregory Branch in Grant County, Wisconsin. It was built in 1940 and reconstructed in 1994, so it is 85 years old, older than the Wisconsin average of 40.3 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.

It carries about 3,300 vehicles a day, roughly 9% of them trucks, projected to reach 6,110 by 2042. The structure is 32 ft (9.7 m) long and 38 ft wide. If it were closed, the detour would be 30.4 mi (49 km).

Location

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CarriesUsh 61
CrossesGregory Branch
Location1.0M N JCT Cth E
RouteU.S. Route 61
CountyGrant County
StateWisconsin
Coordinates42.91482, -90.66981
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 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 rating73.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span31 ft (9.6 m)
Deck width38 ft (11.7 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic6,110 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed30.4 mi (49 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ush 61 over Gregory Branch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1994.

What condition is Ush 61 over Gregory Branch 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 Ush 61 over Gregory Branch carry?

About 3,300 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ush 61 over Gregory Branch?

The structure is 32 ft (9.7 m) long with a longest span of 31 ft (9.6 m) and a deck 38 ft wide.

Who owns Ush 61 over Gregory Branch?

It is owned by the State Highway Agency.