US Bridges

CR 820 over Morral Bayou

Poor

Nacogdoches County, Texas · 1.6 MI FR End of FM 3314 · Structure no. 111740AA0438001

Built
1994
31 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
74 ft
2 main spans
Daily traffic
353
2024 count
Owner
County
County Highway Agency

About this bridge

CR 820 over Morral Bayou is a steel continuous stringer/multi-beam or girder carrying CR 820 over Morral Bayou in Nacogdoches County, Texas. It was built in 1994, so it is 31 years old, younger than the Texas average of 44.4 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 353 vehicles a day, projected to reach 50 by 2035. The structure is 74 ft (22.6 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 820
CrossesMorral Bayou
Location1.6 MI FR End of FM 3314
RouteCounty Highway 820
CountyNacogdoches County
StateTexas
Coordinates31.65222, -94.71772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2 (+1 approach)
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span25 ft (7.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2024)
Projected traffic50 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 820 over Morral Bayou built?

It was built in 1994, making it 31 years old in 2025.

What condition is CR 820 over Morral Bayou 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 April 2023.

How much traffic does CR 820 over Morral Bayou carry?

About 353 vehicles per day (2024 count).

How long is CR 820 over Morral Bayou?

The structure is 74 ft (22.6 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns CR 820 over Morral Bayou?

It is owned by the County Highway Agency.