US Bridges

Local over Maple River

PoorClosed to traffic

Buena Vista County, Iowa · 090381504 · Structure no. 000000000084700

Built
1914
111 years old, rebuilt 1939
Condition
Poor
inspected June 2023
Type
Truss - Thru
Steel
Length
52 ft
1 main span
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Maple River is a steel truss - thru carrying Local over Maple River in Buena Vista County, Iowa. It was built in 1914 and reconstructed in 1939, so it is 111 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 52 ft (15.9 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesMaple River
Location090381504
RouteCounty Highway 0
StateIowa
Coordinates42.60754, -95.32869
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2021)
Projected traffic15 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$743,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Maple River built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1939.

What condition is Local over Maple 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 June 2023.

How much traffic does Local over Maple River carry?

About 15 vehicles per day (2021 count).

How long is Local over Maple River?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Local over Maple River?

It is owned by the County Highway Agency.