US Bridges

Sth 28 over Br E Br Rock River

Fair

Dodge County, Wisconsin · 1.6M E JCT Sth 175 to N · Structure no. B14017700000000

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
2,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 28 over Br E Br Rock River is a concrete slab carrying Sth 28 over Br E Br Rock River in Dodge County, Wisconsin. It was built in 2003, so it is 22 years old, younger 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 2,900 vehicles a day, roughly 10% of them trucks, projected to reach 1,955 by 2043. The structure is 47 ft (14.2 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 28
CrossesBr E Br Rock River
Location1.6M E JCT Sth 175 to N
RouteState Highway 28
Coordinates43.53688, -88.41588
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2022)
Projected traffic1,955 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 over Br E Br Rock River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Sth 28 over Br 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 October 2024.

How much traffic does Sth 28 over Br E Br Rock River carry?

About 2,900 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 28 over Br E Br Rock River?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 46 ft wide.

Who owns Sth 28 over Br E Br Rock River?

It is owned by the State Highway Agency.