US Bridges

Nfa 0G809 over Conner Creek

Good

Knox County, Tennessee · Mission Hill Lane · Structure no. 470G8090001

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
51 ft
1 main span
Daily traffic
1,720
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa 0G809 over Conner Creek is a steel culvert carrying Nfa 0G809 over Conner Creek in Knox County, Tennessee. It was built in 2017, so it is 8 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,720 vehicles a day, projected to reach 2,752 by 2042. The structure is 51 ft (15.5 m) long and 40 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesNfa 0G809
CrossesConner Creek
LocationMission Hill Lane
RouteCounty Highway 0G809
Coordinates35.92165, -84.2103
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,720 (2020)
Projected traffic2,752 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa 0G809 over Conner Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Nfa 0G809 over Conner Creek 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 0G809 over Conner Creek carry?

About 1,720 vehicles per day (2020 count).

How long is Nfa 0G809 over Conner Creek?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Nfa 0G809 over Conner Creek?

It is owned by the County Highway Agency.