US Bridges

Off NE 108th ST over Camp Creek Tributary

PoorPosted for load

Polk County, Iowa · 079222604 · Structure no. 000000000362995

Built
1950
75 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
55 ft
3 main spans
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Off NE 108th ST over Camp Creek Tributary is a wood or timber stringer/multi-beam or girder carrying Off NE 108th ST over Camp Creek Tributary in Polk County, Iowa. It was built in 1950, so it is 75 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 10 vehicles a day, projected to reach 10 by 2044. The structure is 55 ft (16.8 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesOff NE 108th ST
CrossesCamp Creek Tributary
Location079222604
RouteCounty Highway 0
StateIowa
Coordinates41.62305, -93.37753
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.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2024
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.2 US tons
Inventory rating15.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span23 ft (7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Off NE 108th ST over Camp Creek Tributary built?

It was built in 1950, making it 75 years old in 2025.

What condition is Off NE 108th ST over Camp Creek Tributary 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 September 2024.

How much traffic does Off NE 108th ST over Camp Creek Tributary carry?

About 10 vehicles per day (2023 count).

How long is Off NE 108th ST over Camp Creek Tributary?

The structure is 55 ft (16.8 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns Off NE 108th ST over Camp Creek Tributary?

It is owned by the County Highway Agency.