US Bridges

Taylor Highway over Alder Creek

Fair

Southeast Fairbanks Census Area, Alaska · Mile Point 115.4 · Structure no. 0296

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
20
2020 count
Owner
State
State Highway Agency

About this bridge

Taylor Highway over Alder Creek is a prestressed concrete tee beam carrying Taylor Highway over Alder Creek in Southeast Fairbanks Census Area, Alaska. It was built in 1988, so it is 37 years old, older than the Alaska average of 35.9 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 20 vehicles a day, roughly 28% of them trucks, projected to reach 30 by 2039. The structure is 110 ft (33.5 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTaylor Highway
CrossesAlder Creek
LocationMile Point 115.4
RouteState Highway 786
StateAlaska
Coordinates64.35667, -141.41278
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.7 US tons
Inventory rating44.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span109 ft (33.2 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic30 by 2039
Trucks28%
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

OwnerState Highway Agency
Maintained byState 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 Taylor Highway over Alder Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Taylor Highway over Alder Creek 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 July 2023.

How much traffic does Taylor Highway over Alder Creek carry?

About 20 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is Taylor Highway over Alder Creek?

The structure is 110 ft (33.5 m) long with a longest span of 109 ft (33.2 m) and a deck 30 ft wide.

Who owns Taylor Highway over Alder Creek?

It is owned by the State Highway Agency.