US Bridges

Nathan Thompson RD over Mountain Creek Trib

Good

Harris County, Georgia · 4 MI NW of Hamilton · Structure no. 000000014550090

Built
1955
70 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
158
2024 count
Owner
County
County Highway Agency

About this bridge

Nathan Thompson RD over Mountain Creek Trib is a steel stringer/multi-beam or girder carrying Nathan Thompson RD over Mountain Creek Trib in Harris County, Georgia. It was built in 1955, so it is 70 years old, older than the Georgia average of 47.5 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 158 vehicles a day, roughly 1% of them trucks, projected to reach 45 by 2032. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNathan Thompson RD
CrossesMountain Creek Trib
Location4 MI NW of Hamilton
RouteCounty Highway 69
StateGeorgia
Coordinates32.81179, -84.93369
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic45 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$176,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Nathan Thompson RD over Mountain Creek Trib built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nathan Thompson RD over Mountain Creek Trib 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 October 2023.

How much traffic does Nathan Thompson RD over Mountain Creek Trib carry?

About 158 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Nathan Thompson RD over Mountain Creek Trib?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 21 ft wide.

Who owns Nathan Thompson RD over Mountain Creek Trib?

It is owned by the County Highway Agency.