US Bridges

Ia 149 SB over Dme RR

Fair

Wapello County, Iowa · 3.9 Mi. N of Jct. US 34 · Structure no. 000000000050680

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
3,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 149 SB over Dme RR is a steel continuous stringer/multi-beam or girder carrying Ia 149 SB over Dme RR in Wapello County, Iowa. It was built in 1963, so it is 62 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 3,500 vehicles a day, roughly 6% of them trucks, projected to reach 3,500 by 2044. The structure is 220 ft (67.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 149 SB
CrossesDme RR
Location3.9 Mi. N of Jct. US 34
RouteState Highway 149
CountyWapello County
StateIowa
Coordinates41.06748, -92.41014
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span92 ft (28 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2022)
Projected traffic3,500 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 149 SB over Dme RR built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ia 149 SB over Dme 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 October 2024.

How much traffic does Ia 149 SB over Dme RR carry?

About 3,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 149 SB over Dme RR?

The structure is 220 ft (67.1 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

Who owns Ia 149 SB over Dme RR?

It is owned by the State Highway Agency.