US Bridges

Loc Dogwood Ave over Small Stream

PoorClosed to traffic

Union County, Iowa · 072311004 · Structure no. 000000000326091

Built
1989
36 years old
Condition
Poor
inspected October 2023
Type
Slab
Wood or Timber
Length
52 ft
2 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Loc Dogwood Ave over Small Stream is a wood or timber slab carrying Loc Dogwood Ave over Small Stream in Union County, Iowa. It was built in 1989, so it is 36 years old, younger 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: closed to all traffic.

It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 52 ft (15.9 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLoc Dogwood Ave
CrossesSmall Stream
Location072311004
RouteCounty Highway 0
StateIowa
Coordinates41.04833, -94.40437
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating4 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Loc Dogwood Ave over Small Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Loc Dogwood Ave over Small 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 October 2023.

How much traffic does Loc Dogwood Ave over Small Stream carry?

About 35 vehicles per day (2022 count).

How long is Loc Dogwood Ave over Small Stream?

The structure is 52 ft (15.9 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Loc Dogwood Ave over Small Stream?

It is owned by the County Highway Agency.