US Bridges

Local over Small Stream

Fair

Shelby County, Iowa · 803440 · Structure no. 000000000306900

Built
1950
75 years old, rebuilt 2012
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small Stream is a steel stringer/multi-beam or girder carrying Local over Small Stream in Shelby County, Iowa. It was built in 1950 and reconstructed in 2012, so it is 75 years old, older 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 30 vehicles a day, projected to reach 30 by 2044. The structure is 105 ft (32 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesSmall Stream
Location803440
RouteCounty Highway 0
CountyShelby County
StateIowa
Coordinates41.70375, -95.49617
Functional classRural 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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length105 ft (32 m)
Longest span33 ft (10.1 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small Stream built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2012.

What condition is Local over Small Stream 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 2024.

How much traffic does Local over Small Stream carry?

About 30 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 105 ft (32 m) long with a longest span of 33 ft (10.1 m) and a deck 21 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.