US Bridges

Sth 28-STH 67-MAIN over E Br Rock River

Fair

Dodge County, Wisconsin · 0.9M E JCT Sth 67 to S · Structure no. B14006700000000

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
2 main spans
Daily traffic
4,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 28-STH 67-MAIN over E Br Rock River is a steel continuous stringer/multi-beam or girder carrying Sth 28-STH 67-MAIN over E Br Rock River in Dodge County, Wisconsin. It was built in 1970, so it is 55 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 4,100 vehicles a day, roughly 5% of them trucks, projected to reach 7,810 by 2042. The structure is 185 ft (56.4 m) long and 56 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesSth 28-STH 67-MAIN
CrossesE Br Rock River
Location0.9M E JCT Sth 67 to S
RouteState Highway 28
CountyDodge County
StateWisconsin
Coordinates43.50678, -88.54199
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length185 ft (56.4 m)
Longest span97 ft (29.6 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2022)
Projected traffic7,810 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 28-STH 67-MAIN over E Br Rock River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Sth 28-STH 67-MAIN over E Br Rock River 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 July 2023.

How much traffic does Sth 28-STH 67-MAIN over E Br Rock River carry?

About 4,100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 28-STH 67-MAIN over E Br Rock River?

The structure is 185 ft (56.4 m) long with a longest span of 97 ft (29.6 m) and a deck 56 ft wide.

Who owns Sth 28-STH 67-MAIN over E Br Rock River?

It is owned by the State Highway Agency.