US Bridges

Dilley Avenue over Bodenburg Creek

Good

Matanuska-Susitna Borough, Alaska · Mile Point 0.1 · Structure no. 1504

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

Dilley Avenue over Bodenburg Creek is a steel stringer/multi-beam or girder carrying Dilley Avenue over Bodenburg Creek in Matanuska-Susitna Borough, Alaska. It was built in 2010, so it is 15 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2035. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesDilley Avenue
CrossesBodenburg Creek
LocationMile Point 0.1
RouteCounty Highway NSPCY
StateAlaska
Coordinates61.52353, -149.04194
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span48 ft (14.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic70 by 2035
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Dilley Avenue over Bodenburg Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Dilley Avenue over Bodenburg Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Dilley Avenue over Bodenburg Creek carry?

About 50 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Dilley Avenue over Bodenburg Creek?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.5 m) and a deck 16 ft wide.

Who owns Dilley Avenue over Bodenburg Creek?

It is owned by the County Highway Agency.