US Bridges

Local over Deep River

GoodPosted for load

Poweshiek County, Iowa · 079133103 · Structure no. 000000000292301

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
88 ft
4 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Deep River is a wood or timber stringer/multi-beam or girder carrying Local over Deep River in Poweshiek County, Iowa. It was built in 2010, so it is 15 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. Its operating status is: posted for other load-capacity restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 88 ft (26.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesDeep River
Location079133103
RouteCounty Highway 0
StateIowa
Coordinates41.60174, -92.41093
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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.9 US tons
Inventory rating32.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$30,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Local over Deep River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local over Deep River 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 December 2023.

How much traffic does Local over Deep River carry?

About 20 vehicles per day (2022 count).

How long is Local over Deep River?

The structure is 88 ft (26.8 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Local over Deep River?

It is owned by the County Highway Agency.