US Bridges

Nfa A888 over Bowman Branch

Good

Roane County, Tennessee · N Off US70-SW of Kingston · Structure no. 730A1890001

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
340
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A888 over Bowman Branch is a concrete continuous culvert carrying Nfa A888 over Bowman Branch in Roane County, Tennessee. It was built in 1960, so it is 65 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 340 vehicles a day, roughly 2% of them trucks, projected to reach 544 by 2041. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A888
CrossesBowman Branch
LocationN Off US70-SW of Kingston
RouteCounty Highway 888
CountyRoane County
StateTennessee
Coordinates35.8689, -84.57935
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic544 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A888 over Bowman Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A888 over Bowman Branch 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 April 2023.

How much traffic does Nfa A888 over Bowman Branch carry?

About 340 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A888 over Bowman Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns Nfa A888 over Bowman Branch?

It is owned by the County Highway Agency.