US Bridges

Local over DR District #11

FairPosted for load

Osceola County, Iowa · 100413501 · Structure no. 000000000263800

Built
1934
91 years old, rebuilt 1964
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over DR District #11 is a steel stringer/multi-beam or girder carrying Local over DR District #11 in Osceola County, Iowa. It was built in 1934 and reconstructed in 1964, so it is 91 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesDR District #11
Location100413501
RouteCounty Highway 0
StateIowa
Coordinates43.44723, -95.65646
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.5 US tons
Inventory rating21.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over DR District #11 built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1964.

What condition is Local over DR District #11 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 November 2024.

How much traffic does Local over DR District #11 carry?

About 26 vehicles per day (2022 count).

How long is Local over DR District #11?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Local over DR District #11?

It is owned by the County Highway Agency.