US Bridges

Lrd Diamond Hill R over Seeley Creek

Poor

Sauk County, Wisconsin · 0.2M N JCT Cth Pf · Structure no. P56014600000000

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
125
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Diamond Hill R over Seeley Creek is a steel stringer/multi-beam or girder carrying Lrd Diamond Hill R over Seeley Creek in Sauk County, Wisconsin. It was built in 1930, so it is 95 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 125 vehicles a day, projected to reach 137 by 2043. The structure is 41 ft (12.6 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Diamond Hill R
CrossesSeeley Creek
Location0.2M N JCT Cth Pf
RouteCity Street 0
Coordinates43.43312, -89.89625
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span39 ft (11.9 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic137 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$198,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Diamond Hill R over Seeley Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lrd Diamond Hill R over Seeley Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Lrd Diamond Hill R over Seeley Creek carry?

About 125 vehicles per day (2024 count).

How long is Lrd Diamond Hill R over Seeley Creek?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.9 m) and a deck 19 ft wide.

Who owns Lrd Diamond Hill R over Seeley Creek?

It is owned by the Town or Township Highway Agency.