US Bridges

FM 1638 over US 59

Good

Nacogdoches County, Texas · US 59 JCT and FM 1638 W · Structure no. 111740256001020

Built
1984
41 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
2 main spans
Daily traffic
4,379
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1638 over US 59 is a prestressed concrete stringer/multi-beam or girder carrying FM 1638 over US 59 in Nacogdoches County, Texas. It was built in 1984, so it is 41 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 4,379 vehicles a day, roughly 5% of them trucks, projected to reach 3,250 by 2033. The structure is 134 ft (40.8 m) long and 66 ft wide.

CarriesFM 1638
CrossesUS 59
LocationUS 59 JCT and FM 1638 W
RouteState Highway 1638
StateTexas
Coordinates31.64261, -94.68306
Functional classUrban Minor Arterial

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span67 ft (20.4 m)
Deck width66 ft (20 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,379 (2022)
Projected traffic3,250 by 2033
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 1638 over US 59 built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM 1638 over US 59 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 March 2024.

How much traffic does FM 1638 over US 59 carry?

About 4,379 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FM 1638 over US 59?

The structure is 134 ft (40.8 m) long with a longest span of 67 ft (20.4 m) and a deck 66 ft wide.

Who owns FM 1638 over US 59?

It is owned by the State Highway Agency.