US Bridges

26th ST SW over Prairie Creek

Fair

Linn County, Iowa · 000000000 · Structure no. 000000000001430

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
246 ft
3 main spans
Daily traffic
205
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

26th ST SW over Prairie Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying 26th ST SW over Prairie Creek in Linn County, Iowa. It was built in 1967, so it is 58 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 205 vehicles a day, projected to reach 205 by 2043. The structure is 246 ft (75 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries26th ST SW
CrossesPrairie Creek
Location000000000
RouteCity Street 0
CountyLinn County
StateIowa
Coordinates41.93246, -91.70621
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length246 ft (75 m)
Longest span82 ft (25 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2023)
Projected traffic205 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 26th ST SW over Prairie Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 26th ST SW over Prairie Creek 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 April 2023.

How much traffic does 26th ST SW over Prairie Creek carry?

About 205 vehicles per day (2023 count).

How long is 26th ST SW over Prairie Creek?

The structure is 246 ft (75 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.

Who owns 26th ST SW over Prairie Creek?

It is owned by the City or Municipal Highway Agency.