US Bridges

FM 1878 over LA Nana Creek

Good

Nacogdoches County, Texas · 0.70 MI E of Bus 59 · Structure no. 111740181001020

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
8,391
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1878 over LA Nana Creek is a prestressed concrete slab carrying FM 1878 over LA Nana Creek in Nacogdoches County, Texas. It was built in 2018, so it is 7 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 8,391 vehicles a day, roughly 5% of them trucks, projected to reach 11,747 by 2042. The structure is 160 ft (48.8 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 1878
CrossesLA Nana Creek
Location0.70 MI E of Bus 59
RouteState Highway 1878
StateTexas
Coordinates31.61764, -94.64156
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span50 ft (15.2 m)
Deck width68 ft (20.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,391 (2022)
Projected traffic11,747 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1878 over LA Nana Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is FM 1878 over LA Nana Creek 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 1878 over LA Nana Creek carry?

About 8,391 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FM 1878 over LA Nana Creek?

The structure is 160 ft (48.8 m) long with a longest span of 50 ft (15.2 m) and a deck 68 ft wide.

Who owns FM 1878 over LA Nana Creek?

It is owned by the State Highway Agency.