US Bridges

Taft Ave over Dd #13

Fair

Hancock County, Iowa · 096232002 · Structure no. 000000000173781

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
709
2022 count
Owner
County
County Highway Agency

About this bridge

Taft Ave over Dd #13 is a concrete continuous slab carrying Taft Ave over Dd #13 in Hancock County, Iowa. It was built in 1974, so it is 51 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 709 vehicles a day, roughly 15% of them trucks, projected to reach 709 by 2044. The structure is 63 ft (19.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTaft Ave
CrossesDd #13
Location096232002
RouteCounty Highway 0
CountyHancock County
StateIowa
Coordinates43.12527, -93.59668
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length63 ft (19.2 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic709 (2022)
Projected traffic709 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Taft Ave over Dd #13 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Taft Ave over Dd #13 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Taft Ave over Dd #13 carry?

About 709 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Taft Ave over Dd #13?

The structure is 63 ft (19.2 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Taft Ave over Dd #13?

It is owned by the County Highway Agency.