US Bridges

Lrd Rustic RD R4 over Blue Creek

Good

St. Croix County, Wisconsin · 0.2M E JCT Sth 128 · Structure no. P55095900000000

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
28
2022 count
Owner
County
County Highway Agency

About this bridge

Lrd Rustic RD R4 over Blue Creek is a wood or timber slab carrying Lrd Rustic RD R4 over Blue Creek in St. Croix County, Wisconsin. It was built in 1984, so it is 41 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28 vehicles a day, projected to reach 112 by 2042. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Rustic RD R4
CrossesBlue Creek
Location0.2M E JCT Sth 128
RouteCity Street 0
Coordinates45.03928, -92.17431
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2022)
Projected traffic112 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rustic RD R4 over Blue Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Lrd Rustic RD R4 over Blue Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Lrd Rustic RD R4 over Blue Creek carry?

About 28 vehicles per day (2022 count).

How long is Lrd Rustic RD R4 over Blue Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 30 ft wide.

Who owns Lrd Rustic RD R4 over Blue Creek?

It is owned by the County Highway Agency.