US Bridges

Nfa A033 over Horse Pen Branch

Good

Morgan County, Tennessee · N Off SR299-W of Oakdale · Structure no. 650A0330001

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A033 over Horse Pen Branch is a concrete continuous culvert carrying Nfa A033 over Horse Pen Branch in Morgan County, Tennessee. It was built in 2010, so it is 15 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 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 800 by 2041. The structure is 29 ft (8.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A033
CrossesHorse Pen Branch
LocationN Off SR299-W of Oakdale
RouteCounty Highway 33
Coordinates35.98995, -84.57273
Functional classRural 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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic800 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 A033 over Horse Pen Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa A033 over Horse Pen 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 February 2023.

How much traffic does Nfa A033 over Horse Pen Branch carry?

About 500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A033 over Horse Pen Branch?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 39 ft wide.

Who owns Nfa A033 over Horse Pen Branch?

It is owned by the County Highway Agency.