US Bridges

Central Ave over BNSF RR

Fair

Des Moines County, Iowa · 700234000 · Structure no. 000000000504760

Built
2006
19 years old
Condition
Fair
inspected September 2022
Type
Slab
Concrete Continuous
Length
402 ft
1 main span
Daily traffic
5,350
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Central Ave over BNSF RR is a concrete continuous slab carrying Central Ave over BNSF RR in Des Moines County, Iowa. It was built in 2006, so it is 19 years old, younger 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 5,350 vehicles a day, roughly 2% of them trucks, projected to reach 5,350 by 2043. The structure is 402 ft (122.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCentral Ave
CrossesBNSF RR
Location700234000
RouteCity Street 0
CountyDes Moines County
StateIowa
Coordinates40.81192, -91.11147
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span402 ft (122.5 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,350 (2022)
Projected traffic5,350 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Central Ave over BNSF RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Central Ave over 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 September 2022.

How much traffic does Central Ave over BNSF RR carry?

About 5,350 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Central Ave over BNSF RR?

The structure is 402 ft (122.5 m) long with a longest span of 402 ft (122.5 m) and a deck 49 ft wide.

Who owns Central Ave over BNSF RR?

It is owned by the City or Municipal Highway Agency.