US Bridges

US 65 over US 30

Fair

Story County, Iowa · At Junction With US 30 · Structure no. 000000000048870

Built
1963
62 years old, rebuilt 1990
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
4 main spans
Daily traffic
2,090
2022 count
Owner
State
State Highway Agency

About this bridge

US 65 over US 30 is a prestressed concrete stringer/multi-beam or girder carrying US 65 over US 30 in Story County, Iowa. It was built in 1963 and reconstructed in 1990, so it is 62 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 2,090 vehicles a day, roughly 19% of them trucks, projected to reach 2,090 by 2043. The structure is 227 ft (69.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 65
CrossesUS 30
LocationAt Junction With US 30
RouteU.S. Route 65
StateIowa
Coordinates42.00739, -93.30937
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2022)
Projected traffic2,090 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 65 over US 30 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1990.

What condition is US 65 over US 30 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 September 2023.

How much traffic does US 65 over US 30 carry?

About 2,090 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 65 over US 30?

The structure is 227 ft (69.2 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns US 65 over US 30?

It is owned by the State Highway Agency.