US Bridges

Local over Small

FairPosted for load

Madison County, Iowa · 077280204 · Structure no. 000000000234951

Built
1942
83 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
63 ft
4 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small is a wood or timber stringer/multi-beam or girder carrying Local over Small in Madison County, Iowa. It was built in 1942 and reconstructed in 1986, so it is 83 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 63 ft (19.2 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLocal
CrossesSmall
Location077280204
RouteCounty Highway 0
StateIowa
Coordinates41.49346, -94.05126
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating24.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 15
Structure length63 ft (19.2 m)
Longest span18 ft (5.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$713,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1986.

What condition is Local over Small 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 August 2023.

How much traffic does Local over Small carry?

About 50 vehicles per day (2022 count).

How long is Local over Small?

The structure is 63 ft (19.2 m) long with a longest span of 18 ft (5.5 m) and a deck 20 ft wide.

Who owns Local over Small?

It is owned by the County Highway Agency.