US Bridges

Road 910 over Madd Creek

PoorClosed to traffic

Sullivan County, Tennessee · Holston Aap Plant a · Structure no. DAPAMCHOL000001

Built
1950
75 years old
Condition
Poor
inspected July 2022
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
3 main spans
Daily traffic
50
2016 count
Owner
Federal
Army

About this bridge

Road 910 over Madd Creek is a wood or timber stringer/multi-beam or girder carrying Road 910 over Madd Creek in Sullivan County, Tennessee. It was built in 1950, so it is 75 years old, older 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 3 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. Its operating status is: closed to all traffic.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2043. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoad 910
CrossesMadd Creek
LocationHolston Aap Plant a
Coordinates36.53057, -82.55031
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic75 by 2043
Trucks10%
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

OwnerArmy
Maintained byArmy
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$576,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 910 over Madd Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Road 910 over Madd Creek 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 July 2022.

How much traffic does Road 910 over Madd Creek carry?

About 50 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Road 910 over Madd Creek?

The structure is 56 ft (17.1 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Road 910 over Madd Creek?

It is owned by the Army.