US Bridges

Local over Platte Branch

FairPosted for load

Taylor County, Iowa · 067322003 · Structure no. 000000000320970

Built
1957
68 years old, rebuilt 1996
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
2 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Platte Branch is a steel stringer/multi-beam or girder carrying Local over Platte Branch in Taylor County, Iowa. It was built in 1957 and reconstructed in 1996, so it is 68 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 load restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 63 ft (19.2 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesPlatte Branch
Location067322003
RouteCounty Highway 0
CountyTaylor County
StateIowa
Coordinates40.58909, -94.56118
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.4 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 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 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 Platte Branch built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1996.

What condition is Local over Platte Branch 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 May 2024.

How much traffic does Local over Platte Branch carry?

About 11 vehicles per day (2022 count).

How long is Local over Platte Branch?

The structure is 63 ft (19.2 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns Local over Platte Branch?

It is owned by the County Highway Agency.