US Bridges

Local RD over Dd Jt 60

Fair

Palo Alto County, Iowa · 096342004 · Structure no. 000000000270061

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

Local RD over Dd Jt 60 is a concrete continuous slab carrying Local RD over Dd Jt 60 in Palo Alto County, Iowa. It was built in 1989, so it is 36 years old, younger 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2043. The structure is 78 ft (23.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal RD
CrossesDd Jt 60
Location096342004
RouteCounty Highway 0
CountyPalo Alto County
StateIowa
Coordinates43.11884, -94.89637
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating40.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic100 by 2043
Trucks5%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$60,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over Dd Jt 60 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Local RD over Dd Jt 60 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 May 2023.

How much traffic does Local RD over Dd Jt 60 carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Local RD over Dd Jt 60?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 31 ft wide.

Who owns Local RD over Dd Jt 60?

It is owned by the County Highway Agency.