US Bridges

STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br

Fair

Boundary County, Idaho · 0.7 N. 0.3 W. Naples · Structure no. 000000000030310

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
640
2023 count
Owner
County
County Highway Agency

About this bridge

STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br is a prestressed concrete tee beam carrying STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br in Boundary County, Idaho. It was built in 1977, so it is 48 years old, older than the Idaho average of 45.3 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 640 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2042. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesSTC5802;HIGHLAND F
CrossesDeep Creek;ted Bruhns Br
Location0.7 N. 0.3 W. Naples
RouteCounty Highway 5802
CountyBoundary County
StateIdaho
Coordinates48.58219, -116.40289
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2023)
Projected traffic960 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$530,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br built?

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

What condition is STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br 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 June 2023.

How much traffic does STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br carry?

About 640 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 28 ft wide.

Who owns STC5802;HIGHLAND F over Deep Creek;ted Bruhns Br?

It is owned by the County Highway Agency.