US Bridges

US 30 over Stream

Fair

Harrison County, Iowa · 3.6 Miles East of SR F-32 · Structure no. 000000000027531

Built
2012
13 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
3,090
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over Stream is a prestressed concrete stringer/multi-beam or girder carrying US 30 over Stream in Harrison County, Iowa. It was built in 2012, so it is 13 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 3,090 vehicles a day, roughly 24% of them trucks, projected to reach 3,090 by 2043. The structure is 126 ft (38.3 m) long and 56 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesUS 30
CrossesStream
Location3.6 Miles East of SR F-32
RouteU.S. Route 30
CountyHarrison County
StateIowa
Coordinates41.77674, -95.67119
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length126 ft (38.3 m)
Longest span43 ft (13.2 m)
Deck width56 ft (17.2 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,090 (2022)
Projected traffic3,090 by 2043
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 30 over Stream 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 2023.

How much traffic does US 30 over Stream carry?

About 3,090 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is US 30 over Stream?

The structure is 126 ft (38.3 m) long with a longest span of 43 ft (13.2 m) and a deck 56 ft wide.

Who owns US 30 over Stream?

It is owned by the State Highway Agency.