US Bridges

Lrd Blynn RD over Black Earth Creek

Good

Iowa County, Wisconsin · 0.1M N JCT Ush 14 · Structure no. B25014400000000

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
156
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Blynn RD over Black Earth Creek is a concrete continuous slab carrying Lrd Blynn RD over Black Earth Creek in Iowa County, Wisconsin. It was built in 2002, so it is 23 years old, younger 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 156 vehicles a day, roughly 10% of them trucks, projected to reach 171 by 2043. The structure is 122 ft (37.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd Blynn RD
CrossesBlack Earth Creek
Location0.1M N JCT Ush 14
RouteCity Street 0
Coordinates43.16264, -89.86256
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating91.8 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span50 ft (15.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2022)
Projected traffic171 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Blynn RD over Black Earth Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Lrd Blynn RD over Black Earth 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 July 2024.

How much traffic does Lrd Blynn RD over Black Earth Creek carry?

About 156 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Lrd Blynn RD over Black Earth Creek?

The structure is 122 ft (37.3 m) long with a longest span of 50 ft (15.3 m) and a deck 26 ft wide.

Who owns Lrd Blynn RD over Black Earth Creek?

It is owned by the Town or Township Highway Agency.