US Bridges

E 25 H Ave over East Boyer River

Good

Crawford County, Iowa · 84371101 · Structure no. 000000000128501

Built
2022
3 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
82
2022 count
Owner
County
County Highway Agency

About this bridge

E 25 H Ave over East Boyer River is a concrete continuous slab carrying E 25 H Ave over East Boyer River in Crawford County, Iowa. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 82 vehicles a day, projected to reach 82 by 2043. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesE 25 H Ave
CrossesEast Boyer River
Location84371101
RouteCounty Highway 0
StateIowa
Coordinates42.10808, -95.12617
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2022)
Projected traffic82 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E 25 H Ave over East Boyer River built?

It was built in 2022, making it 3 years old in 2025.

What condition is E 25 H Ave over East Boyer River 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 December 2022.

How much traffic does E 25 H Ave over East Boyer River carry?

About 82 vehicles per day (2022 count).

How long is E 25 H Ave over East Boyer River?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns E 25 H Ave over East Boyer River?

It is owned by the County Highway Agency.