US Bridges

Local over Middle Platte River

PoorClosed to traffic

Union County, Iowa · 071311603 · Structure no. 000000000325130

Built
1970
55 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
92 ft
4 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Middle Platte River is a wood or timber stringer/multi-beam or girder carrying Local over Middle Platte River in Union County, Iowa. It was built in 1970, so it is 55 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 92 ft (28 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal
CrossesMiddle Platte River
Location071311603
RouteCounty Highway 0
CountyUnion County
StateIowa
Coordinates40.94633, -94.41537
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length92 ft (28 m)
Longest span23 ft (7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Middle Platte River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Local over Middle Platte River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Local over Middle Platte River carry?

About 11 vehicles per day (2022 count).

How long is Local over Middle Platte River?

The structure is 92 ft (28 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns Local over Middle Platte River?

It is owned by the County Highway Agency.