US Bridges

Lrd Sycamore Ave over Starkweather Creek

Fair

Dane County, Wisconsin · 0.7M N JCT Sth 30 · Structure no. B13033800000000

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
6,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Sycamore Ave over Starkweather Creek is a concrete slab carrying Lrd Sycamore Ave over Starkweather Creek in Dane County, Wisconsin. It was built in 1978, so it is 47 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 6,800 vehicles a day, projected to reach 4,689 by 2043. The structure is 35 ft (10.8 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLrd Sycamore Ave
CrossesStarkweather Creek
Location0.7M N JCT Sth 30
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.11372, -89.31039
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 protection7 GoodSome minor problems.
Last inspectionSeptember 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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span34 ft (10.4 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic4,689 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Sycamore Ave over Starkweather Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lrd Sycamore Ave 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 September 2024.

How much traffic does Lrd Sycamore Ave over Starkweather Creek carry?

About 6,800 vehicles per day (2022 count).

How long is Lrd Sycamore Ave over Starkweather Creek?

The structure is 35 ft (10.8 m) long with a longest span of 34 ft (10.4 m) and a deck 52 ft wide.

Who owns Lrd Sycamore Ave over Starkweather Creek?

It is owned by the City or Municipal Highway Agency.