US Bridges

Nfa D740 over Branch

Poor

Hamilton County, Tennessee · Near Soddy-Daisy · Structure no. 330D7400001

Built
2000
25 years old
Condition
Poor
inspected January 2024
Type
Culvert
Steel
Length
25 ft
3 main spans
Daily traffic
830
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D740 over Branch is a steel culvert carrying Nfa D740 over Branch in Hamilton County, Tennessee. It was built in 2000, so it is 25 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 830 vehicles a day, roughly 2% of them trucks, projected to reach 1,328 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa D740
CrossesBranch
LocationNear Soddy-Daisy
RouteCounty Highway 740
Coordinates35.34548, -85.12855
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span6 ft (1.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2020)
Projected traffic1,328 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$197,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D740 over Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nfa D740 over Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Nfa D740 over Branch carry?

About 830 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D740 over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 6 ft (1.9 m).

Who owns Nfa D740 over Branch?

It is owned by the County Highway Agency.