US Bridges

Local over Miller Creek

PoorClosed to traffic

Crawford County, Iowa · 084373004 · Structure no. 000000000128661

Built
1981
44 years old
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
94 ft
1 main span
Daily traffic
58
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Local over Miller Creek is a steel truss - thru carrying Local over Miller Creek in Crawford County, Iowa. It was built in 1981, so it is 44 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 0 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 58 vehicles a day, projected to reach 58 by 2044. The structure is 94 ft (28.7 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLocal
CrossesMiller Creek
Location084373004
RouteCity Street 0
StateIowa
Coordinates42.05441, -95.20151
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span60 ft (18.3 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic58 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Local over Miller Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Local over Miller 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 April 2024.

How much traffic does Local over Miller Creek carry?

About 58 vehicles per day (2022 count).

How long is Local over Miller Creek?

The structure is 94 ft (28.7 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.

Who owns Local over Miller Creek?

It is owned by the City or Municipal Highway Agency.