US Bridges

Primrose Ave over Burr Oak Creek

Fair

Mitchell County, Iowa · 098161006 · Structure no. 000000000247881

Built
1960
65 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
501
2022 count
Owner
County
County Highway Agency

About this bridge

Primrose Ave over Burr Oak Creek is a prestressed concrete stringer/multi-beam or girder carrying Primrose Ave over Burr Oak Creek in Mitchell County, Iowa. It was built in 1960, so it is 65 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 501 vehicles a day, roughly 39% of them trucks, projected to reach 501 by 2043. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesPrimrose Ave
CrossesBurr Oak Creek
Location098161006
RouteCounty Highway 0
CountyMitchell County
StateIowa
Coordinates43.31986, -92.73203
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic501 (2022)
Projected traffic501 by 2043
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Primrose Ave over Burr Oak Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Primrose Ave over Burr Oak 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 December 2023.

How much traffic does Primrose Ave over Burr Oak Creek carry?

About 501 vehicles per day (2022 count), of which roughly 39% are trucks.

How long is Primrose Ave over Burr Oak Creek?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns Primrose Ave over Burr Oak Creek?

It is owned by the County Highway Agency.