US Bridges

CR 713 over Morral Bayou

Fair

Nacogdoches County, Texas · 1.0 MI S of SH 21 · Structure no. 111740AA0511001

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
67
2023 count
Owner
County
County Highway Agency

About this bridge

CR 713 over Morral Bayou is a steel continuous stringer/multi-beam or girder carrying CR 713 over Morral Bayou in Nacogdoches County, Texas. It was built in 1991, so it is 34 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 67 vehicles a day, projected to reach 50 by 2035. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 713
CrossesMorral Bayou
Location1.0 MI S of SH 21
RouteCounty Highway 713
CountyNacogdoches County
StateTexas
Coordinates31.61328, -94.72531
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2023)
Projected traffic50 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 713 over Morral Bayou built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR 713 over Morral Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does CR 713 over Morral Bayou carry?

About 67 vehicles per day (2023 count).

How long is CR 713 over Morral Bayou?

The structure is 50 ft (15.2 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns CR 713 over Morral Bayou?

It is owned by the County Highway Agency.