US Bridges

Rest Area Road over Rest Area Road

Fair

Decatur County, Iowa · 3.0 Mi. N of Jct. U.S. 69 · Structure no. 000000000601325

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
599 ft
7 main spans
Daily traffic
13,800
2021 count
Owner
State
State Highway Agency

About this bridge

Rest Area Road over Rest Area Road is a prestressed concrete stringer/multi-beam or girder carrying Rest Area Road over Rest Area Road in Decatur County, Iowa. It was built in 1994, so it is 31 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 6 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 13,800 vehicles a day, roughly 41% of them trucks, projected to reach 13,800 by 2044. The structure is 599 ft (182.6 m) long and 39 ft wide.

CarriesRest Area Road
CrossesRest Area Road
Location3.0 Mi. N of Jct. U.S. 69
RouteInterstate 35
StateIowa
Coordinates40.65694, -93.85707
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length599 ft (182.6 m)
Longest span96 ft (29.3 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic13,800 (2021)
Projected traffic13,800 by 2044
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rest Area Road over Rest Area Road built?

It was built in 1994, making it 31 years old in 2025.

What condition is Rest Area Road over Rest Area Road 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 July 2024.

How much traffic does Rest Area Road over Rest Area Road carry?

About 13,800 vehicles per day (2021 count), of which roughly 41% are trucks.

How long is Rest Area Road over Rest Area Road?

The structure is 599 ft (182.6 m) long with a longest span of 96 ft (29.3 m) and a deck 39 ft wide.

Who owns Rest Area Road over Rest Area Road?

It is owned by the State Highway Agency.