US Bridges

Bluff ST over Stream

Good

Buena Vista County, Iowa · 093370503 · Structure no. 000000000501721

Built
2006
19 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
65
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bluff ST over Stream is a concrete continuous culvert carrying Bluff ST over Stream in Buena Vista County, Iowa. It was built in 2006, so it is 19 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 65 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBluff ST
CrossesStream
Location093370503
RouteCity Street 0
CountyBuena Vista County
StateIowa
Coordinates42.89788, -95.24031
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2022)
Projected traffic65 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bluff ST over Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is Bluff ST over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.

How much traffic does Bluff ST over Stream carry?

About 65 vehicles per day (2022 count).

How long is Bluff ST over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Bluff ST over Stream?

It is owned by the City or Municipal Highway Agency.