US Bridges

SE Miller DR over Camp Creek

PoorPosted for load

Polk County, Iowa · 078221403 · Structure no. 000000000280660

Built
1914
111 years old
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
53 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

SE Miller DR over Camp Creek is a steel truss - thru carrying SE Miller DR over Camp Creek in Polk County, Iowa. It was built in 1914, so it is 111 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 53 ft (16.2 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSE Miller DR
CrossesCamp Creek
Location078221403
RouteCounty Highway 0
StateIowa
Coordinates41.56545, -93.34996
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating24.1 US tons
Inventory rating15.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SE Miller DR over Camp Creek built?

It was built in 1914, making it 111 years old in 2025.

What condition is SE Miller DR over Camp 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 September 2024.

How much traffic does SE Miller DR over Camp Creek carry?

About 26 vehicles per day (2022 count).

How long is SE Miller DR over Camp Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns SE Miller DR over Camp Creek?

It is owned by the County Highway Agency.