US Bridges

Nest Ave over Lamkin Creek

Good

O'Brien County, Iowa · 09642090201 · Structure no. 000000000261301

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

Nest Ave over Lamkin Creek is a concrete continuous slab carrying Nest Ave over Lamkin Creek in O'Brien County, Iowa. It was built in 2014, so it is 11 years old, younger than the Iowa average of 45.5 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 46 vehicles a day, projected to reach 46 by 2043. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNest Ave
CrossesLamkin Creek
Location09642090201
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.14286, -95.82183
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 inspectionJune 2022
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nest Ave over Lamkin Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Nest Ave over Lamkin 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 June 2022.

How much traffic does Nest Ave over Lamkin Creek carry?

About 46 vehicles per day (2022 count).

How long is Nest Ave over Lamkin Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Nest Ave over Lamkin Creek?

It is owned by the County Highway Agency.