US Bridges

N Pine Ave over Emigrant Creek

Fair

Crawford County, Iowa · 0.7 Mi. W of W Jct. L51 · Structure no. 000000000021670

Built
1966
59 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
10
2022 count
Owner
State
State Highway Agency

About this bridge

N Pine Ave over Emigrant Creek is a prestressed concrete stringer/multi-beam or girder carrying N Pine Ave over Emigrant Creek in Crawford County, Iowa. It was built in 1966, so it is 59 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 10 vehicles a day, roughly 3% of them trucks, projected to reach 10 by 2042. The structure is 82 ft (25 m) long and 26 ft wide.

CarriesN Pine Ave
CrossesEmigrant Creek
Location0.7 Mi. W of W Jct. L51
RouteCity Street 0
StateIowa
Coordinates42.07134, -95.58814
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.1 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Pine Ave over Emigrant Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is N Pine Ave over Emigrant 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 February 2023.

How much traffic does N Pine Ave over Emigrant Creek carry?

About 10 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is N Pine Ave over Emigrant Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns N Pine Ave over Emigrant Creek?

It is owned by the State Highway Agency.