US Bridges

Lrd Darbo RD over Starkweather Creek

Fair

Dane County, Wisconsin · 0.1M S JCT Ush 151 · Structure no. B13022400000000

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
1,218
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Darbo RD over Starkweather Creek is a concrete frame carrying Lrd Darbo RD over Starkweather Creek in Dane County, Wisconsin. It was built in 1964, so it is 61 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 1,218 vehicles a day, projected to reach 1,339 by 2043. The structure is 30 ft (9.1 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLrd Darbo RD
CrossesStarkweather Creek
Location0.1M S JCT Ush 151
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.1035, -89.34122
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width56 ft (17.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,218 (2022)
Projected traffic1,339 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lrd Darbo RD over Starkweather Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Lrd Darbo RD over Starkweather 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 2024.

How much traffic does Lrd Darbo RD over Starkweather Creek carry?

About 1,218 vehicles per day (2022 count).

How long is Lrd Darbo RD over Starkweather Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 56 ft wide.

Who owns Lrd Darbo RD over Starkweather Creek?

It is owned by the City or Municipal Highway Agency.