US Bridges

Railroad HWY over Stream

Poor

Pottawattamie County, Iowa · 076420912 · Structure no. 000000000364910

Built
1952
73 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
1,676
2022 count
Owner
County
County Highway Agency

About this bridge

Railroad HWY over Stream is a concrete slab carrying Railroad HWY over Stream in Pottawattamie County, Iowa. It was built in 1952, so it is 73 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,676 vehicles a day, roughly 17% of them trucks, projected to reach 1,676 by 2044. The structure is 24 ft (7.3 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRailroad HWY
CrossesStream
Location076420912
RouteCity Street 0
CountyPottawattamie County
StateIowa
Coordinates41.3922, -95.67583
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width44 ft (13.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,676 (2022)
Projected traffic1,676 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Railroad HWY over Stream built?

It was built in 1952, making it 73 years old in 2025.

What condition is Railroad HWY over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Railroad HWY over Stream carry?

About 1,676 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Railroad HWY over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.

Who owns Railroad HWY over Stream?

It is owned by the County Highway Agency.