US Bridges

US 69 over Bn RR Scott Ave& Mlk Pkw

Fair

Polk County, Iowa · 0.7 Mile S of JCT I-235 · Structure no. 000000000040510

Built
1937
88 years old, rebuilt 1973
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,407 ft
3 main spans
Daily traffic
33,600
2022 count
Owner
State
State Highway Agency

About this bridge

US 69 over Bn RR Scott Ave& Mlk Pkw is a steel continuous stringer/multi-beam or girder carrying US 69 over Bn RR Scott Ave& Mlk Pkw in Polk County, Iowa. It was built in 1937 and reconstructed in 1973, so it is 88 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 33,600 vehicles a day, roughly 4% of them trucks, projected to reach 33,600 by 2043. The structure is 1,407 ft (428.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 69
CrossesBn RR Scott Ave& Mlk Pkw
Location0.7 Mile S of JCT I-235
RouteU.S. Route 69
StateIowa
Coordinates41.58342, -93.59681
Functional classUrban Other Principal 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 inspectionAugust 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.7 US tons
Inventory rating27.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+19 approach)
Design loadHS 20
Structure length1,407 ft (428.9 m)
Longest span108 ft (32.9 m)
Deck width64 ft (19.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,600 (2022)
Projected traffic33,600 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 69 over Bn RR Scott Ave& Mlk Pkw built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1973.

What condition is US 69 over Bn RR Scott Ave& Mlk Pkw 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 US 69 over Bn RR Scott Ave& Mlk Pkw carry?

About 33,600 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US 69 over Bn RR Scott Ave& Mlk Pkw?

The structure is 1,407 ft (428.9 m) long with a longest span of 108 ft (32.9 m) and a deck 64 ft wide.

Who owns US 69 over Bn RR Scott Ave& Mlk Pkw?

It is owned by the State Highway Agency.