US Bridges

Ia 149 over Dm River Streets BNSF RR

Fair

Wapello County, Iowa · 0.2 Mi. N of Jct. US 34 · Structure no. 000000000050640

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,319 ft
28 main spans
Daily traffic
18,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 149 over Dm River Streets BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Ia 149 over Dm River Streets BNSF RR in Wapello 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 5 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 18,200 vehicles a day, roughly 3% of them trucks, projected to reach 18,200 by 2043. The structure is 2,319 ft (706.8 m) long and 64 ft wide.

Location

Open in Google Maps
CarriesIa 149
CrossesDm River Streets BNSF RR
Location0.2 Mi. N of Jct. US 34
RouteState Highway 149
CountyWapello County
StateIowa
Coordinates41.01687, -92.42115
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.8 US tons
Inventory rating28.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20
Structure length2,319 ft (706.8 m)
Longest span102 ft (31.1 m)
Deck width64 ft (19.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2022)
Projected traffic18,200 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

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

Frequently asked questions

When was Ia 149 over Dm River Streets BNSF RR built?

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

What condition is Ia 149 over Dm River Streets BNSF RR 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 August 2023.

How much traffic does Ia 149 over Dm River Streets BNSF RR carry?

About 18,200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ia 149 over Dm River Streets BNSF RR?

The structure is 2,319 ft (706.8 m) long with a longest span of 102 ft (31.1 m) and a deck 64 ft wide.

Who owns Ia 149 over Dm River Streets BNSF RR?

It is owned by the State Highway Agency.