US Bridges

ALLEY-6th ST SW over Dry Run Creek

Fair

Bremer County, Iowa · Alley - S of Bremer · Structure no. 000000000505360

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
599
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

ALLEY-6th ST SW over Dry Run Creek is a prestressed concrete tee beam carrying ALLEY-6th ST SW over Dry Run Creek in Bremer County, Iowa. It was built in 1986, so it is 39 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 599 vehicles a day, projected to reach 599 by 2043. The structure is 37 ft (11.3 m) long and 20 ft wide.

Location

Open in Google Maps
CarriesALLEY-6th ST SW
CrossesDry Run Creek
LocationAlley - S of Bremer
RouteCity Street 0
CountyBremer County
StateIowa
Coordinates42.72516, -92.47813
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic599 (2022)
Projected traffic599 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 ALLEY-6th ST SW over Dry Run Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is ALLEY-6th ST SW over Dry Run 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 March 2023.

How much traffic does ALLEY-6th ST SW over Dry Run Creek carry?

About 599 vehicles per day (2022 count).

How long is ALLEY-6th ST SW over Dry Run Creek?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns ALLEY-6th ST SW over Dry Run Creek?

It is owned by the City or Municipal Highway Agency.