US Bridges

1st Street over Indian Creek

Poor

Pottawattamie County, Iowa · 000000000 · Structure no. 000000000504485

Built
1936
89 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
29 ft
1 main span
Daily traffic
684
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st Street over Indian Creek is a concrete stringer/multi-beam or girder carrying 1st Street over Indian Creek in Pottawattamie County, Iowa. It was built in 1936, so it is 89 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 684 vehicles a day, projected to reach 684 by 2044. The structure is 29 ft (8.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries1st Street
CrossesIndian Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.26427, -95.84472
Functional classUrban Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width49 ft (14.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic684 (2022)
Projected traffic684 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 1st Street over Indian Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is 1st Street over Indian Creek 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 June 2024.

How much traffic does 1st Street over Indian Creek carry?

About 684 vehicles per day (2022 count).

How long is 1st Street over Indian Creek?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 49 ft wide.

Who owns 1st Street over Indian Creek?

It is owned by the City or Municipal Highway Agency.