US Bridges

Local over Stream

Good

Poweshiek County, Iowa · 080162002 · Structure no. 000000000293870

Built
1956
69 years old, rebuilt 2017
Condition
Good
inspected December 2023
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Stream is a wood or timber slab carrying Local over Stream in Poweshiek County, Iowa. It was built in 1956 and reconstructed in 2017, so it is 69 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 20% of them trucks, projected to reach 200 by 2043. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesStream
Location080162002
RouteCounty Highway 0
StateIowa
Coordinates41.72035, -92.74658
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating52.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 by 2043
Trucks20%
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)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Stream built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2017.

What condition is Local 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 December 2023.

How much traffic does Local over Stream carry?

About 200 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Local over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Local over Stream?

It is owned by the County Highway Agency.