US Bridges

CR 620 over Morral Bayou

Poor

Nacogdoches County, Texas · 1.0 MI E of SH 7 · Structure no. 111740AA0336001

Built
1994
31 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
24
2023 count
Owner
County
County Highway Agency

About this bridge

CR 620 over Morral Bayou is a steel continuous stringer/multi-beam or girder carrying CR 620 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 24 vehicles a day, projected to reach 25 by 2035. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR 620
CrossesMorral Bayou
Location1.0 MI E of SH 7
RouteCounty Highway 620
StateTexas
Coordinates31.5313, -94.7445
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 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 rating58 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2023)
Projected traffic25 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 620 over Morral Bayou built?

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

What condition is CR 620 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 620 over Morral Bayou carry?

About 24 vehicles per day (2023 count).

How long is CR 620 over Morral Bayou?

The structure is 50 ft (15.2 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns CR 620 over Morral Bayou?

It is owned by the County Highway Agency.