US Bridges

Joanna Lane over Flat Rock Branch Trib

Good

Ellis County, Texas · 0.6 MI SW of Morgan RD · Structure no. 180710AA0294001

Built
2008
17 years old
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
10
2015 count
Owner
County
County Highway Agency

About this bridge

Joanna Lane over Flat Rock Branch Trib is a steel culvert carrying Joanna Lane over Flat Rock Branch Trib in Ellis County, Texas. It was built in 2008, so it is 17 years old, younger than the Texas average of 44.4 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 10 vehicles a day, projected to reach 20 by 2035. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesJoanna Lane
CrossesFlat Rock Branch Trib
Location0.6 MI SW of Morgan RD
RouteCounty Highway 0
CountyEllis County
StateTexas
Coordinates32.13528, -96.89866
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 protection8 Very GoodNo problems noted.
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2015)
Projected traffic20 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Joanna Lane over Flat Rock Branch Trib built?

It was built in 2008, making it 17 years old in 2025.

What condition is Joanna Lane over Flat Rock Branch 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 February 2023.

How much traffic does Joanna Lane over Flat Rock Branch Trib carry?

About 10 vehicles per day (2015 count).

How long is Joanna Lane over Flat Rock Branch Trib?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Joanna Lane over Flat Rock Branch Trib?

It is owned by the County Highway Agency.