US Bridges

Taylor Highway over Mosquito Fork

Fair

Southeast Fairbanks Census Area, Alaska · Mile Point 63.2 · Structure no. 0441

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
219 ft
2 main spans
Daily traffic
160
2020 count
Owner
State
State Highway Agency

About this bridge

Taylor Highway over Mosquito Fork is a prestressed concrete tee beam carrying Taylor Highway over Mosquito Fork in Southeast Fairbanks Census Area, Alaska. It was built in 1977, so it is 48 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 6 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 160 vehicles a day, roughly 28% of them trucks, projected to reach 190 by 2039. The structure is 219 ft (66.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTaylor Highway
CrossesMosquito Fork
LocationMile Point 63.2
RouteState Highway 785
StateAlaska
Coordinates64.066, -141.996
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.7 US tons
Inventory rating36.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span108 ft (32.9 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic190 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 Mosquito Fork built?

It was built in 1977, making it 48 years old in 2025.

What condition is Taylor Highway over Mosquito Fork 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 Mosquito Fork carry?

About 160 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is Taylor Highway over Mosquito Fork?

The structure is 219 ft (66.8 m) long with a longest span of 108 ft (32.9 m) and a deck 29 ft wide.

Who owns Taylor Highway over Mosquito Fork?

It is owned by the State Highway Agency.