US Bridges

27th Ave over Br Prairie Ck

Good

Benton County, Iowa · 082102402 · Structure no. 000000000070301

Built
2015
10 years old
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

27th Ave over Br Prairie Ck is a concrete continuous slab carrying 27th Ave over Br Prairie Ck in Benton County, Iowa. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33 vehicles a day, projected to reach 33 by 2043. The structure is 91 ft (27.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries27th Ave
CrossesBr Prairie Ck
Location082102402
RouteCounty Highway 0
StateIowa
Coordinates41.90048, -91.96839
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length91 ft (27.7 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 traffic33 (2022)
Projected traffic33 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 27th Ave over Br Prairie Ck built?

It was built in 2015, making it 10 years old in 2025.

What condition is 27th Ave over Br Prairie Ck 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 April 2022.

How much traffic does 27th Ave over Br Prairie Ck carry?

About 33 vehicles per day (2022 count).

How long is 27th Ave over Br Prairie Ck?

The structure is 91 ft (27.7 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns 27th Ave over Br Prairie Ck?

It is owned by the County Highway Agency.