US Bridges

Back Acres Road over Bodenburg Creek

Poor

Matanuska-Susitna Borough, Alaska · Mile Point 0.1 · Structure no. 1935

Built
2002
23 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
30
2018 count
Owner
County
County Highway Agency

About this bridge

Back Acres Road over Bodenburg Creek is a steel stringer/multi-beam or girder carrying Back Acres Road over Bodenburg Creek in Matanuska-Susitna Borough, Alaska. It was built in 2002, so it is 23 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2035. The structure is 33 ft (10 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBack Acres Road
CrossesBodenburg Creek
LocationMile Point 0.1
RouteCounty Highway NSPCY
StateAlaska
Coordinates61.55608, -149.03584
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating35.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2018)
Projected traffic50 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Back Acres Road over Bodenburg Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Back Acres Road over Bodenburg Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Back Acres Road over Bodenburg Creek carry?

About 30 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Back Acres Road over Bodenburg Creek?

The structure is 33 ft (10 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Back Acres Road over Bodenburg Creek?

It is owned by the County Highway Agency.