US Bridges

Sth 80-STH 81-WATE over Rountree Creek

Fair

Grant County, Wisconsin · 4.9M N JCT Sth 81 to E · Structure no. B22000700000000

Built
1948
77 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
6,120
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 80-STH 81-WATE over Rountree Creek is a steel stringer/multi-beam or girder carrying Sth 80-STH 81-WATE over Rountree Creek in Grant County, Wisconsin. It was built in 1948 and reconstructed in 1988, so it is 77 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 6 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 6,120 vehicles a day, roughly 10% of them trucks, projected to reach 7,220 by 2044. The structure is 69 ft (20.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSth 80-STH 81-WATE
CrossesRountree Creek
Location4.9M N JCT Sth 81 to E
RouteState Highway 80
CountyGrant County
StateWisconsin
Coordinates42.72618, -90.47564
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length69 ft (20.9 m)
Longest span68 ft (20.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,120 (2022)
Projected traffic7,220 by 2044
Trucks10%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$608,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 80-STH 81-WATE over Rountree Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1988.

What condition is Sth 80-STH 81-WATE over Rountree Creek 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 Sth 80-STH 81-WATE over Rountree Creek carry?

About 6,120 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 80-STH 81-WATE over Rountree Creek?

The structure is 69 ft (20.9 m) long with a longest span of 68 ft (20.6 m) and a deck 30 ft wide.

Who owns Sth 80-STH 81-WATE over Rountree Creek?

It is owned by the State Highway Agency.