US Bridges

Irr:northway Road over Fish Camp Creek

Poor

Southeast Fairbanks Census Area, Alaska · Mile Point 2.6 · Structure no. 0940

Built
1987
38 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
210
2020 count
Owner
State
State Highway Agency

About this bridge

Irr:northway Road over Fish Camp Creek is a prestressed concrete tee beam carrying Irr:northway Road over Fish Camp Creek in Southeast Fairbanks Census Area, Alaska. It was built in 1987, so it is 38 years old, older 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 210 vehicles a day, roughly 6% of them trucks, projected to reach 290 by 2039. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIrr:northway Road
CrossesFish Camp Creek
LocationMile Point 2.6
RouteState Highway 791
StateAlaska
Coordinates62.9793, -141.83208
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic290 by 2039
Trucks6%
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 Irr:northway Road over Fish Camp Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Irr:northway Road over Fish Camp 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 July 2024.

How much traffic does Irr:northway Road over Fish Camp Creek carry?

About 210 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Irr:northway Road over Fish Camp Creek?

The structure is 49 ft (14.9 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Irr:northway Road over Fish Camp Creek?

It is owned by the State Highway Agency.