US Bridges

Emmett Ave over Deer Creek

PoorPosted for load

Woodbury County, Iowa · 088462304 · Structure no. 000000000354130

Built
1977
48 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
35 ft
2 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

Emmett Ave over Deer Creek is a steel continuous stringer/multi-beam or girder carrying Emmett Ave over Deer Creek in Woodbury County, Iowa. It was built in 1977, so it is 48 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 4 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 45 vehicles a day, projected to reach 45 by 2044. The structure is 35 ft (10.7 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesEmmett Ave
CrossesDeer Creek
Location088462304
RouteCounty Highway 0
StateIowa
Coordinates42.41744, -96.16484
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.6 US tons
Inventory rating18.2 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span18 ft (5.5 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Emmett Ave over Deer Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Emmett Ave over Deer Creek 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 July 2024.

How much traffic does Emmett Ave over Deer Creek carry?

About 45 vehicles per day (2022 count).

How long is Emmett Ave over Deer Creek?

The structure is 35 ft (10.7 m) long with a longest span of 18 ft (5.5 m) and a deck 23 ft wide.

Who owns Emmett Ave over Deer Creek?

It is owned by the County Highway Agency.