US Bridges

Local Road over Local Stream

PoorPosted for load

Monona County, Iowa · 083430206 · Structure no. 000000000249930

Built
1962
63 years old
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Local Stream is a steel truss - thru carrying Local Road over Local Stream in Monona County, Iowa. It was built in 1962, so it is 63 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 3 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: posted for load restriction.

It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 81 ft (24.7 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesLocal Stream
Location083430206
RouteCounty Highway 0
CountyMonona County
StateIowa
Coordinates42.02488, -95.81923
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, 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 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.9 US tons
Inventory rating14.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span80 ft (24.4 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Road over Local Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is Local Road over Local Stream 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 May 2024.

How much traffic does Local Road over Local Stream carry?

About 29 vehicles per day (2022 count).

How long is Local Road over Local Stream?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.

Who owns Local Road over Local Stream?

It is owned by the County Highway Agency.