US Bridges

Local over Sin Creek

Fair

Montgomery County, Iowa · 073362502 · Structure no. 000000000256120

Built
1964
61 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Sin Creek is a steel stringer/multi-beam or girder carrying Local over Sin Creek in Montgomery County, Iowa. It was built in 1964, so it is 61 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 118 ft (36 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesSin Creek
Location073362502
RouteCounty Highway 0
StateIowa
Coordinates41.10069, -94.94676
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length118 ft (36 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Sin Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Local over Sin Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2022.

How much traffic does Local over Sin Creek carry?

About 15 vehicles per day (2022 count).

How long is Local over Sin Creek?

The structure is 118 ft (36 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Local over Sin Creek?

It is owned by the County Highway Agency.