US Bridges

WB US 30 over Univeristy Blvd

Fair

Story County, Iowa · 1.5 Miles W of JCT US 69 · Structure no. 000000000048683

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
9,600
2023 count
Owner
State
State Highway Agency

About this bridge

WB US 30 over Univeristy Blvd is a prestressed concrete stringer/multi-beam or girder carrying WB US 30 over Univeristy Blvd in Story County, Iowa. It was built in 1971, so it is 54 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 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 9,600 vehicles a day, roughly 11% of them trucks, projected to reach 9,600 by 2044. The structure is 191 ft (58.2 m) long and 43 ft wide.

CarriesWB US 30
CrossesUniveristy Blvd
Location1.5 Miles W of JCT US 69
RouteU.S. Route 30
StateIowa
Coordinates42.00301, -93.63909
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.2 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,600 (2023)
Projected traffic9,600 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 WB US 30 over Univeristy Blvd built?

It was built in 1971, making it 54 years old in 2025.

What condition is WB US 30 over Univeristy Blvd 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 November 2024.

How much traffic does WB US 30 over Univeristy Blvd carry?

About 9,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is WB US 30 over Univeristy Blvd?

The structure is 191 ft (58.2 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns WB US 30 over Univeristy Blvd?

It is owned by the State Highway Agency.