US Bridges

Local RD over Local Drainage

Fair

Montgomery County, Iowa · 072381801 · Structure no. 000000000255560

Built
1961
64 years old, rebuilt 2019
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
35
2021 count
Owner
County
County Highway Agency

About this bridge

Local RD over Local Drainage is a concrete channel beam carrying Local RD over Local Drainage in Montgomery County, Iowa. It was built in 1961 and reconstructed in 2019, so it is 64 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.

It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal RD
CrossesLocal Drainage
Location072381801
RouteCounty Highway 0
CountyMontgomery County
StateIowa
Coordinates41.04523, -95.25169
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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$426,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over Local Drainage built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2019.

What condition is Local RD over Local Drainage 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 2023.

How much traffic does Local RD over Local Drainage carry?

About 35 vehicles per day (2021 count).

How long is Local RD over Local Drainage?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Local RD over Local Drainage?

It is owned by the County Highway Agency.