US Bridges

650th ST over Drainage Ditch Dist 1

Good

Buena Vista County, Iowa · 090353601 · Structure no. 000000000084371

Built
2013
12 years old
Condition
Good
inspected June 2022
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

650th ST over Drainage Ditch Dist 1 is a concrete continuous slab carrying 650th ST over Drainage Ditch Dist 1 in Buena Vista County, Iowa. It was built in 2013, so it is 12 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 45 vehicles a day, projected to reach 45 by 2043. The structure is 83 ft (25.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries650th ST
CrossesDrainage Ditch Dist 1
Location090353601
RouteCounty Highway 0
StateIowa
Coordinates42.57491, -94.93153
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 650th ST over Drainage Ditch Dist 1 built?

It was built in 2013, making it 12 years old in 2025.

What condition is 650th ST over Drainage Ditch Dist 1 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 June 2022.

How much traffic does 650th ST over Drainage Ditch Dist 1 carry?

About 45 vehicles per day (2022 count).

How long is 650th ST over Drainage Ditch Dist 1?

The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns 650th ST over Drainage Ditch Dist 1?

It is owned by the County Highway Agency.