US Bridges

Nfa B359 over Holbrook DR / B363

Good

Knox County, Tennessee · Holbrook-Near Cedar& SR33 · Structure no. 470B3590001

Built
1935
90 years old, rebuilt 1965
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete
Length
63 ft
3 main spans
Daily traffic
2,070
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B359 over Holbrook DR / B363 is a concrete tee beam carrying Nfa B359 over Holbrook DR / B363 in Knox County, Tennessee. It was built in 1935 and reconstructed in 1965, so it is 90 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,070 vehicles a day, roughly 2% of them trucks, projected to reach 3,312 by 2042. The structure is 63 ft (19.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa B359
CrossesHolbrook DR / B363
LocationHolbrook-Near Cedar& SR33
RouteCity Street 359
Coordinates36.03698, -83.93546
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span24 ft (7.3 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,070 (2020)
Projected traffic3,312 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa B359 over Holbrook DR / B363 built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1965.

What condition is Nfa B359 over Holbrook DR / B363 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Nfa B359 over Holbrook DR / B363 carry?

About 2,070 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B359 over Holbrook DR / B363?

The structure is 63 ft (19.2 m) long with a longest span of 24 ft (7.3 m) and a deck 37 ft wide.

Who owns Nfa B359 over Holbrook DR / B363?

It is owned by the City or Municipal Highway Agency.